Datasheet STV0680B Datasheet (SGS Thomson Microelectronics)

®

STV0680B+ VV6410/6411/6500

DUAL-MODE DIGITAL CAMERA CHIPSET

DESCRIPTION

STMicroelectronics Imaging Division has enhanced
the feature set of the STV0680B low cost dual­mode camera chipset to allow a new line of low cost
cameras or toy products to be brought to the
market.

STANDARD FEATURES

ST have maintained the standard features already
available in the successful STV0680B-001 chipset ,
including:

● STV0680B-003 fully backward compatible

with STV0680B-001

● Support for VV6410/6411 (CIF) and VV6500

(VGA) CMOS imaging sensors.

● Support for SDRAM sizes 16MBit (up to 20

CIF images) or 64Mbit (up to 80 CIF or 26
VGA images).

● Low resolution “economy” mode allows for

more images to be stored.

● High frame rate web cam (tethered video)

over USB.

● Automatic anti-flicker exposure control.

● Image up load over RS232 or USB.

● Driver support for Win98/Win2k/WinME and

MacOS 8.6/9.0/9.1.

● Continuous capture while untethered (except

when Flashgun enabled) an d downloadi ng to
AVI file format

● Power-saving “stand-by” mode which

maintains memory contents, as well as
generally low power consumption.

● Simple user interface including 2 buttons,

status LCD display, and buzzer.

● Evaluation Kit (EVK) available.

● Software Development Kit ( SDK) allows OEM

PC Software applications to be written.

NEW FEATURES AVAILABLE IN STV0680B-003

● Audio record/playback and “Delete Last”

function

● Custom sounds playback (e.g. “Talking” or

“Musical” camera)

● Flashgun support

● Quick Power Down (by holding Mode

Button).

Audio Record And Playback

The enhanced features included in STV0680B-00 3
allow audio memos to be recorded, stored in
SDRAM, and uploaded to the PC over USB or
RS232, to be played back using an OEM software
application developed using the SDK

With the addition of playback hardware, recorded
audio sounds can also be played back on the
camera, and it is possible to download a set of
custom sounds from the PC to allow (e.g.) shutter
“Click-Whirr”, or for a “Talking Camera”. This has
limitless possibilities for OEM language
customising or licensing.

Flashgun Support and “Delete Last” Function

STV0680B-003 includes flashgun support for an
OEM flashgun module. A n additio nal u ser in terface
function is available in STV0680B-003 w hich allows
the user to delete the last image, continuous clip or
audio memo which was captured or recorded.

Evaluation Kit and Reference Design

Evaluation kits are available for both standard
features and enhanced STV0680B-003 features.
Precise design guidelines ar e avai l able fr om ST as
a separate STV0680B Reference design manual
(see

Chapter 12

).

Note: Simultaneous audio record and

continuous video capture is not possible.

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Table of contents

Chapter 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

1.1 Digital camera chipset ..........................................................................................................6

1.2 Co-processor choices ..........................................................................................................7

1.3 Sensor choices .....................................................................................................................7

1.4 Key system features .............................................................................................................7

Chapter 2 Detailed features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2.1 Sensor type and image formats .........................................................................................10

2.2 User interface .....................................................................................................................11

2.3 Battery level detect and USB auto-switch ..........................................................................13

2.4 Audio record and playback .................................................................................................13

2.5 PC interface options and software support ........................................................................14

2.6 Anti-flicker exposure and gain control ................................................................................15

Chapter 3 Camera modes of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16

3.1 Modes available (STV0680B-001) .....................................................................................16

3.2 Modes available (STV0680B-003) .....................................................................................17

3.3 Description of modes .........................................................................................................17

Chapter 4 STV0680B hardware interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

4.1 STV0680B pinout ...............................................................................................................20

4.2 Sensor interface .................................................................................................................20

4.3 Memory interface ...............................................................................................................20

4.4 USB interface ................................................................ ........... ........... ........... ........... .........22

4.5 UART module for RS232 interface .....................................................................................23

4.6 Power management and battery type ................................................................................23

4.7 Quartz crystal .....................................................................................................................24

4.8 Numeric LCD interface .......................................................................................................24

4.9 Switches and LED’s ...........................................................................................................24

4.10 Flashgun hardware interface (STV0680B-003 only) ..........................................................25

4.11 IR filter ...................................................................................... ..........................................25

Chapter 5 Software support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

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5.1 General features ................................................................................................................26

5.2 Software installation ...........................................................................................................26

Chapter 6 Detailed chipset specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

6.1 Typical camera specifications ............................................................................................28

6.2 STV0680B companion processor ......................................................................................29

6.3 VV6444 sensor ...................................................................................................................30

6.4 VV6410/6411 and VV6500 sensors ...................................................................................32

6.5 Typical current consumption of complete camera ..............................................................33

Chapter 7 STV0680 Camera System Defect Specification . . . . . . . . . . . . . . . . . . . . . . . . .35

7.1 General ..............................................................................................................................35

7.2 Defect specification ............................................................................................................35

7.3 Definition of the "Camera System" .....................................................................................35

7.4 Definition of the "Test Conditions" ......................................................................................37

7.5 Definition of a "Major Visible Defect" ..................................................................................37

7.6 Definition of the "Final Colour Image" ................................................................................39

7.7 Definition of a “Minor Visible Defect” ..................................................................................39

Chapter 8 STV0680B pinout information and package dimensions . . . . . . . . . . . . . . . . .40

8.1 STV0680B pinout ...............................................................................................................40

8.2 STV0680B pin description ..................................................................................................46

8.3 STV0680B package dimensions ........................................................................................47

Chapter 9 VV6410/6411 pinout information and package dimensions . . . . . . . . . . . . . . .48

9.1 VV6410/6411 pinout ............................................................................ ........... ........... .........48

9.2 VV6410/6411 pin description ............................................................................................49

9.3 VV6410/6411 package dimensions ........................................................................... .........51

Chapter 10 VV6500 pinout information and package dimensions . . . . . . . . . . . . . . . . . . .53

10.1 VV6500 pinout ....................................................................................................................53

10.2 VV6500 pin description ......................................................................................................54

10.3 VV6500 package dimensions .............................................................................................56

Chapter 11 Schematics and example parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

11.1 Schematics .........................................................................................................................58

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11.2 Example parts list ...............................................................................................................58

Chapter 12 Evaluation Kit and Reference design manual . . . . . . . . . . . . . . . . . . . . . . . . . .61

12.1 Ordering details ..................................................................................................................61

12.2 Technical support ...............................................................................................................62

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Revision update

Main changes applied since last release, version 3.3:

● Updated camera defect specification

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Introduction STV0680B + VV6444/6410/6500

1 Introduction

1.1 Digital camera chipset

This document describes the features and functionality of a CMOS chipset, comprising an
STMicroelectronics (ST) CIF or VGA resolution sensor and an STV0680B companion processor
(DCA1), as well as outlining what peripheral components are required/supported in order to
complete a camera using the chipset. Such a camer a is particul arly suited to dual- mode digital stills
or toy applications.

In stills mode, the camera stores raw image data in memory. The camera carries out no colour
processing, ensuring its simplicity and low cost. Subsequent download of raw data to a PC or
Macintosh for processing is done through an RS232 or USB interface, through demo software, a
TWAIN driver, or OEM custom application. The license to use the colour algorithm (embedded in
the PC or Mac driver software) is included in the price of the chipset.

A video option is provided, when tethered through USB, which can allow for Video for Windows

applications, and ‘video clips’ can be recorded while untethered by continuously capturing images
while in ‘Continuous’ mode, then downloaded to the PC for playback, using software to create an
AVI file.

Using STV0680B-003, the firmware also includes the capability to trigger a flashgun module
through a two wire interface (enable input and trigger output), and the capability to record audio
sounds into the SDRAM, for subsequent upload to the PC, or to replay audio sounds which have
either been recorded on the camera or dowloaded from the PC (stored on the PC as.WAV files).

Precise design guidelines are available from ST as a reference design (see

Section 4

). A software
development kit (SDK) for PC is avai lable from ST, to interface to th e camera a nd provid e the basis
for developing a custom software application for stills and/or video, which includes colour
processing software as object code.

LED

GPIO

Sensor

I/F

PWM

Flashgun

Enable/Trigger

LCD

memory

Driver

STV0680B

I/F

RS232

I/F

USB

I/F

Detect Low

Battery

2 x 7 seg. LCD

16MBit or 64MBit

SDRAM

Transceiver

Circuit (Discretes)

Power

Management

Circuit (Discretes)

RS232 interface
to PC

USB interface
to PC

4.5 - 6v Battery e.g.

3-4 x AA, AAA, etc.

OEM Flashgun

Module

Subject

CMOS Sensor

VV6410/6411(CIF)

VV6500 (VGA)

Enable/Trigger

Lens +

IR Filter

Audio

Pre-Amp

Image Array

VReg

Audio

Speaker

Microphone

Amplifier

Sensor data

Sensor clock

Piezo

Buzzer

Push

Buttons:

“Mode”

“Shutter

/Record”

Comparator

Audio DAC

12MHz XTAL

3v3 supply

4-5v (Nominal) supply from Battery or USB

Figure 1 : Typical camera system block diagram

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1.2 Co-processor choices

Two revisions of the STV0680B are produced by ST. Although there are certain functional
differences between these revisions, both have an identical pinouts and STV0680B-003 retains all
the functionality of STV0680B-001, hence is backwards compatible.

Order number STV0680B-001 STV680B-003
Silicon revision
Firmware revision

Sensor supported

SDRAM supported

USB
RS232
Video for Windows support
Flash-gun support
Audio record + playback
Custom sounds

Table 1 : Differences between STV0680B-001 and STV0680B-003

1.3 Sensor choices

The following sensors are supported:

STV0680B STV0680B

v1.00 v3.00

VV6444
VV6410
VV6500

16Mbit

or 64Mbit

Yes Yes
Yes Yes
Yes Yes

No Yes
No Yes
No Yes

VV6444
VV6410
VV6411
VV6500

16Mbit

or 64Mbit

Sensor Resolution Sensor supply voltage

VV6444
VV6410/6411
VV6500 VGA (640 x 480)

Table 2 : Sensor choices with STV0680B

1.4 Key system features

The key features of a typical camera based on the STV0680B chipset are as follows:

1.4.1 Image features (STV0680B-001)

● Support for 5V or 3.3V CIF resolution sensor (VV6444 or VV6410/6411) - 352 x 288 pixels

● Support for 3.3V VGA resolution sensor (VV6500) - 640 x 480 pixels

● 80 picture storage capacity possible for CIF, with 64MB memory

● 26 picture storage capacity for VGA, with 64MBit memory

CIF (352 x 288)

5v

3.3v

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Introduction STV0680B + VV6444/6410/6500

● A greater number of images can be stored when ‘Low’ resolution mode is enabled (e.g. 80

QCIF images with 16Mbit memory, 107 QVGA images with 64Mbit memory). See

● Automatic anti-flicker exposure and gain control

Table 3

.

1.4.2 Image features (STV0680B-003)

● All image features for STV0680B-001 are supported.

● Support for flashgun.

1.4.3 User features on camera (STV0680B-001)

● Self-timer mode allows a picture to be captured after several seconds.

● Twin 7 segment LCD panel supported - showing number of pictures left, and modes.

● Picture counter helps the user to know how much memory is left.

● Un-tethered ‘Continuous’ mo de all ow s captur e of i mage sequen ces for storage i n mem ory and

subsequent download to PC.

● Piezo buzzer indicates a number of useful events to the user, e.g. whether enough light is

present for picture capture, etc.

● Indicator LED.

● “Clear all” function clears camera.

● “Low Resolution” mode incre ases number of images wh ich can be captur ed by reducing image

resolution.

1.4.4 User features on camera (STV0680B-003)

● All user features of STV0680B-001 are supported.

● Audio Record function (if audio record hardware detected) allows sounds to be recorded.

● Audio Playback function (if audio playback hardware fitted) allows sounds which have been

recorded to be played back.

● “Delete last” function allows user to delete audio memos, pictures or continuous clips, deletion

must be carried out “most reset first”.

● Camera can be configured by the user to play custom sounds at certain functions, using a PC

application.

● “Go to sleep” function, whereby the camera can be put into standby mode while untethered.

1.4.5 User features on PC software (STV0680B-001)

PC software allows a number of features, including fast download of thumbnail images for picture
selection, and automatic detection and correction of sensor defects. The driver compatibility
includes:

● TWAIN driver to suit all TWAIN compatible imaging applications

● Video for Windows PC driver for tethered video mode (through USB), available at all

resolutions, with fastest framerates at QCIF resolution

● AVI video file creation from image sequences captured in ‘continuous’ mode

● Quicktime Video driver and Adobe Photoshop stills plug-in for Mac

Custom OEM PC software can be developed by using t he SDK (for SDK a vailabilit y, contact ST), to
upload thumbnails/still images or ‘continuous’ images, e.g. for AVI file creation.

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STV0680B + VV6444/6410/6500 Introduction

1.4.6 User features on PC software (STV0680B-003)

All PC software written for a STV0680B-001 camera will function with a STV0680B-003 camera
which is only used to take still images/video.

The SDK (version 2.90 or later) allows for:

● the OEM to write a custom application for uploading sound memos, based on the example

LCDC demo software.

● the OEM to write a custom application for downloading custom sounds to the camera, based

on the example CustomSound software.

1.4.7 Power management features and USB compliance

● Retention of pictures, recorded sounds, and downloaded custom sounds with extremely low

power operation, which appears to the user as if the camera is “switched off”.

● Auto power-off after 30sec with no user activity

● Operates from 4.5-6V battery, although system voltage is 5V or 3.3V, dependant on sensor.

● Low battery detection

● Dependant on hardware configura t io n, swit ch-over to USB power supply is supported, to allow

the device to operate with low batteries or without batteries, when connected to USB.

● Full USB compliance requirements are listed in the USB specification, however, in a camera

designed using this chipset, the following must at least be included: (a) an SDRAM with
sufficiently low self-refresh current, (b) USB inrush protection circuitry, and (c) (in the case of
VV6444 only) a switched 5V sensor supply is used, to maintain sufficient supply voltage to the
5V sensor. See

Section 4

for further details.

1.4.8 General features

● High speed picture/sounds upload to PC/Mac over USB

● ST Colour processing algorithms included under license (as part of drivers/SDK)

● USB or RS232 serial interface options, and VfW / TWAIN driver support.

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Detailed features STV0680B + VV6444/6410/6500

2 Detailed features

2.1 Sensor type and image formats

The sensor type is auto-detected by STV0680B, which ensures that the correct sensor timing is
enabled, and the correct image resolutions are enabled, as shown in

For stills photography, ‘High’ or ‘Low’ resolution mode can be sele cted, to give CIF or QCIF pictures
from a CIF sensor, and VGA or QVGA from a VGA sensor (see
for storage of more images. Images captured in both ‘High’ and ‘Low’ resolution can be stored in
camera memory at the same time. Therefore there is no need for images stored in memory to be
cleared before changing image resolution.

Where USB is connected, the host PC software (through a Video for Windows driver) can activate
tethered video mode, regardless of the user inputs to the camera buttons. In this case, the image
resolution is controlled by the PC driver.

Note: When tethered VfW video (PC) or Quicktime driver (Mac) is activated, all images or recorded

sounds or video clips will be deleted from the camera SDRAM. A software solution is available

(“Camera control”, as part of the SDK for PC, and “Plug’n Save” for Mac) which can monitor
whether a camera is connected and will warn the user if activating the VfW driver will cause SDRAM
contents to be deleted.

Table 3

Table 3

.

). Reduced resolution allows

Sensor

VV6444 CIF 352 x 288

VV6410/
6411

VV6500 VGA 640 x 480

Sensor

Image Size

CIF 352 x 288

Max. no. of

images

Resolution

mode

High CIF 352 x 288 20 80 15 frames/sec.

Low

High CIF 352 x 288 20 80 15 frames/sec.

Low

High VGA 640 x 480 (6) 26 2 frames/sec.

Low

Table 3 : Image modes supported (STV0680B-001)

Final Image Size

QCIF 176 x 144

(Subsampled)

QCIF 176 x 144

(Subsampled)

QVGA 320 x 240

(Subsampled)

stored in

16MBit

memory

(

Note 2

80

80

(26)

)

Max. no. of

images

stored in

64MBit

memory

(

Note 2

)

322

Note 3

(see

322

(see

Note 3

107

Note 3

(see

Approximate

VfW framerate

25 frames/sec.

)

22.5 frames/sec.

)

12 frames/sec.

)

Note: 1 VfW framerate is dependent on PC performance and USB bus loading

2 On a camera using STV0680B-003, the number of images w hich can be stor ed i s reduced if Aud io

sounds have been recorded on the camera or if custom sounds have been downloaded from the
PC to the camera. The reduction of capacity depends on the length of audio clip, but a rough guide
is that if 1 CIF image uses the same amount of SDRAM as 10sec of audio, and one VGA image
uses the same amount of SDRAM as 30 sec. of audio.

(

Note 1

)

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STV0680B + VV6444/6410/6500 Detailed features

3 A CIF camera with STV0680B-001 and 6 4Mbi t SD RAM can store up to 320 i mag es by using QC IF

mode. Where >99 images are still available, the LCD display will remain at 99. Where (no. of
images available) <99, the LCD display will show the number of images available, as is the case
with all other modes.

2.1.1 VV6444

VV6444 is a CIF resolution, 5V CMOS imaging sensor and has been superseded by VV6410/6411.

2.1.2 VV6410

VV6410 is a CIF resolution, 3.3V CMOS imaging sensor . A brief specification is shown in
A dual design to support VV6444 and VV6410/6411 is not possible, since VV6410/6411 is a 3v3

sensor. A single footprint for VV6410/6411 and VV6500 is not possible since the package types
differ, however, the same support circuit is used.

For IR filter design, the best choice filter follows the GS0034 dielectric stack filter specification,
which is available from ST. An alternative, al though not optimal filter, would be Schott S8612 doped
glass, also sold as CM500.

2.1.3 VV6411

VV641 1 is a CIF re solution, 3.3V CMOS imag ing sensor. A brief specification is shown in
The functionality, pixel size, resolution and support circuit are identical to VV6410, however, the

colour filter material is slightly different, and the package type and pinout may differ to VV6410.
Contact ST for further details.

A single footprint to support VV641 1 a nd VV6500 is not possible because of the package dif ference.
A single footprint to support VV641 0 and VV6411 may be possible, dependant on the final package
for VV641 1.

2.1.4 VV6500

VV6500 is a VGA resolution, 3.3V CMOS imaging sensor. A brief specification is shown in

Chapter 6

A dual design to support VV6444 and VV6500 is not possible, since VV6500 is a 3v3 sensor. A
single footprint for VV6410/6411 and VV6500 is not possible since the package types differ,
however, the same support circuit is used. See

Chapter 6

Chapter 6

Chapter 6

.

.

.

For IR filter design, the best choice filter follows the GS0034 dielectric stack filter specification,
which is available from ST. An alternative, al though not optimal filter, would be Schott S8612 doped
glass, also sold as CM500.

2.1.5 SDRAM

This is covered in more details in

2.2 User interface

The user interface supported by STV0680B comprises of user controls, buzzer sounds or
customised audio sounds and visual displays.

2.2.1 Push buttons

The following are the functions which are suppor ted by the chipse t. These functio ns are achievabl e
with no more than 2 push buttons.

Chapter 4

.

Version 3.4 11/63

Detailed features STV0680B + VV6444/6410/6500

1 Mode button (Wake-up/Switch between modes): This button allows the user (1.1) to wake the

camera up from standby mode when the camera is to be used for taking pictures, or (1.2) to
switch between modes of operation shown in

2 Shutter button (Shutter/confir m acti on)

an action, as shown in

Chapter 3

: This button allows the user to take a picture or co nfirm

Chapter 3

.

The modes of operation are described in
It may also be desirable to include an on-off slider switch. This has advantages and disadvanta ges,

and its exact function is discussed further in the reference design available from ST.
Where a flashgun module is included in the camera, it will be necessary to include a flash on/flash

off push button or slider switch, dependant on the exact flashgun module design. possible
implementations are discussed in a separate application note AN1312 regarding flashgun
implementation, available from ST.

Chapter 3

.

2.2.2 LED indicator

An LED display camera status, i.e. to show that the camera is not in Standby/PC suspend mode.

2.2.3 Picture counter using 2 x 7 segment display

STV0680B stores a picture counter value, which shows how many images can still be captured.

STV0680B supports a 2x7 segment LCD panel. In ‘Snap shot’ mode and contin uous capture m ode,
this LCD panel displays the number of pictures still available, which is useful to identify when the
user is approaching the maximum number of images which can be stored (see
possible to clear the images stored in memory, in order to continue taking pictures. In other modes,
this LCD panel shows displays a 2-character code, which helps the user to navigate around the
modes.

Note: A CIF camera with STV0680B and 64Mbit SDRAM can store up to 320 images by using QCIF

mode. Where >99 images are still available, the LCD display will remain at 99. Where (no. of
images available) <99, the LCD display will show the number of images available, as is the case
with all other modes.

Table 3

). It is

For suitable numeric LCD panel types, see

Section 4.8

2.2.4 Piezo buzzer

An on-chip Pulse Width Modulator (PWM) on STV0680B is used to generate buzzer sounds to
signal certain events. The following are typical of the type of events which are indicated by the
buzzer, and each has its own distinctive sound:

1 Camera has been ‘Woken up’ from standby mode (either by the user pressing a button, by re-

connecting the power source, or by connecting a USB/RS232 connection).

2 Camera has been ‘gone to sleep’ i.e. moved into standby mode. Pictures are retained in

memory.
3 Picture has been successfully taken after the user presses the capture button.
4 Picture has NOT been taken after the user presses the capture button. This indicates to the

user that there is insufficient light, or that the exposure control was not ready due to a rapid

change of lighting in the scene.
5 Picture has NOT been taken after the user presses the capture button, due to picture counter

having reached the maximum num ber of i ma ges. The u ser ha s the cha nce to zer o th e counte r

if desired.
6 End of continuous capture in un-tethered ‘Continuous’ mode, due to memory full.
7 Self-timer activated and counting down.

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.

STV0680B + VV6444/6410/6500 Detailed features

2.2.5 Custom sounds

A camera which includes STV0680B-003 and Audio playback hardware can have a set of custom
sounds downloaded from a PC application. A different sound can be associated with each of the
following functions:

Power On Sound delete
Power Off Continuous clip delete
Good picture Clear memo ry
Bad picture

(Normally due to insufficient light)
Memory full Low power
Self timer #1 Flashgun ON
Self timer #2 Flashgun OFF
Low resolution Flashgun Trigger
High resolution Frequency 50kHz
Picture delete Frequency 60kHz

Table 4 : List of custom sound functions

Confirm action

Note: 1 Where a given function has a sound associated with it stored in SDRAM, the piezo buzzer does not

give any beeps for that function. Not all functions need to have custom sounds associated with
them, this is the choice of the user or OEM.

2 A demonstration PC application “CustomSoun ds” is available from ST, however this is not intended

for end-users. Source code is available which allows the EOM to build their own PC application
using the SDK.

2.3 Battery level detect and USB auto-switch

An on-chip battery level detector on STV0680B detects when the battery voltage falls below a
threshold. This threshold is determined by the designer, dependant on the perception of what

remains as ‘acceptable’ image quality as the battery voltage falls. The chosen threshold level is
determined by a resistor value, as sho wn in
display flashes, which indicates tha t the battery is low . Whe re a USB connection ha s been detected,
the camera sources power from USB, if certain additional hardware is fitted.

Chapter 6

Where no USB has been detected, the LCD

Note: It may be a requirement of certain USB compliance tests that such additional hardware is included

in the camera design, in order to enable th e camera to switch to supply fr om USB and hence r eport
back to the PC while connected to the USB bus without a battery.

2.4 Audio record and playback

2.4.1 Record

A camera which includes STV0680B-003 and a mi croph one, comparator and other peripher y (also
utilizing the sensor pre-amplifier) can be used to record sounds which are stored in the same way
as images. STV0680B-003 will auto-detect the presence of Audio record hardware and include

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Detailed features STV0680B + VV6444/6410/6500

audio record and “delete l ast” functions int o the user i nterface. The a udio sample rate is 11.025kHz,
and the signal is digitised using a successive approximation A-D converter with 8 bits resolution.
The SDRAM stores 1 second of Audio recording per 11k Bytes of memory.

2.4.2 Playback

A camera which includes STV0680B-003 and an amplifier, speaker/headphone socket, and other
periphery, can be used to playback sounds which were either recorded on the camera or
downloaded from the PC.

The quality of Audio playback is largely depe ndant on the type of speaker used, and on the correct
mounting of the speaker in the camera plastics.

2.5 PC interface options and software support

Either USB Interface (full speed 12Mbit/sec. max.) or RS232 interface (115.2Kbaud) is supported
by the chipset, with driver software available from ST for both. The interface type is auto-detected
by the chipset. PC software can be one of the following:

1 Simple image upload demonstration software supplied by ST, allowing uploading of stills or

‘continuous’ images. This software should not be supplied as an end-user product.
2 TWAIN driver to suit all TWAIN compatible imaging applications
3 Video for Windows driver for tethered video mode (USB only)
4 Custom end-user software developed by OEM using SDK (for SDK availability, contact ST).

The SDK is supplied by ST as a 32-bit DLL format, running on Windows 98, and accessed

through a documented software interface. This provides the basis for developing a custom

software application for uploading stills and/or video.

2.5.1 USB

Complete images (displayed as either thumbnails or in full resolution), or the entire SDRAM
contents (e.g. for uploading continuously captured image sequences, recorded using ‘Continuous
Capture’ mode) can be downloaded through USB, and USB connection also allows for tethered
video mode to be activated by the USB driver.

Thumbnail image download is extremely fast for the enti re memory cont ents in the camer a. Once a
picture is selected fo r down load, full image download takes approximately 0.15 seconds per ima ge
for a CIF image (0.6 seconds for a VGA image), plus post processing time per image.

For USB interface details, see

Section 4.4

.

Note: Actual USB download and post processing time also depends on PC performance and USB bus

loading

2.5.2 RS232

Thumbnails of images, complete stored images, or the entire SDR AM contents can be downloaded
through RS232, but tethered video is not supported.

Once a picture is selected for download, full image download takes approximately 10 seconds per
image for a CIF image ( aro und 3 0 second s for a VGA i mage), plus post processing time pe r i m age
(of the order of 1 second approximately).

For RS232 interface details, see

Note: Actual post processing time after RS232 download also depends on PC performance

Section 4.5

.

14/63 Version 3.4

STV0680B + VV6444/6410/6500 Detailed features

2.6 Anti-flicker exposure and gain control

2.6.1 General

The chipset operates automatic exposure and gain control for either 50Hz or 60Hz mains-driven
indoor lighting, using the same 12MHz crystal. This improves picture quality by selecting a set of

exposure values which minimise ‘f li cker’ effects. Detection o f the mai ns fr equen cy is dep endan t on
the status of the GPIO3 pin, which can be achieved by population of a PCB link at a late stage in
production, once the country of destination is known, without the need to change the crystal
frequency.

The auto exposure and gain algorithm is always enabled during Snapshot’/self-timer/continuous
mode. When the shutter button is pressed in ‘ Snapshot’ mode , the chipset captu res an image if the
exposure and gain value has reached a suitable val ue for the current scene. If the li ght detected has
suddenly changed, the camera may emit an audible tone to indicate that more time is required to
reach the correct exposure target. In ‘Snapshot’ mode the chipset only captures the image data if
sufficient light is present in the image. In continuous capture mode, the chipset captures images
regardless of whether enough light is present.

The exposure control algorithm in STV0680B chooses exposure values which minimise “flicker”
effects from occurring under fluorescent lighting. STV0680B can only prevent flicker in lighting
powered by 50Hz or 60Hz electricity supply, but automatic detection of the flicker frequency is not
possible. Hence choosing the correct anti-fli cker setting is importan t, in order to prevent da rk stripes
form appearing across the image, and this selection must be done in hardware.

Flicker setting not correct Flicker setting correct

2.6.2 Flashgun exposure

Where STV0680B-003 and a flashgun module are in cluded in the camera, and the flashgun enable
signal is HIGH, the exposure mode will operate in a different manner. The CMOS sensor
progressive scan readout requires that the sensor is set to maximum exposure so that all lines are
being exposed at a certain point in time.

The “window” within which the flashgun needs to fire in order to correctly expose all sensor lines is
of the order of a few 100µsec (contact ST for more precise details), therefore the flashgun module
design should have reached maximum light output within this period after the falling edge of the
flash trigger output from STV0680B-003.

Figure 2 : Illustration of flicker problem

Possible flashgun implementations, regarding hardware interface, charge sensing, and flash
energy required are discussed in a separate application note AN1312 regarding flashgun
implementation, available from ST.

Version 3.4 15/63

Camera modes of operation STV0680B + VV6444/6410/6500

3 Camera modes of operation

This section refers to the two switches as discussed in section

● “Mode”: connects GPIO0 pin of STV0680B to GND when pressed

● “Shutter”: connects GPIO1 pin of STV0680B to GND when pressed

Pressing the mode switch repeatedly cycles through a series of modes as displayed on the LCD.
When a given mode is displayed it may be selected by pressing the shutter button. If an option is not
selected within 5 seconds the display will revert to showing the number of available pictures.

3.1 Modes available (STV0680B-001)

Normal: 20 / 80

Continuous Capture: Ct

Self-Timer: St

Clear All: CL

Re solution: Hr / Lr

Press Mode button

After 30sec of inactivity

Standby mode (u ntethered)

Section 2.2.1

Figure 3 : STV0680B-001modes (CIF camera with 16Mbit SDRAM assumed)

Note that the number of images displayed depends on the sensor and SDRAM type - see

16/63 Version 3.4

Table 3

.

STV0680B + VV6444/6410/6500 Camera modes of operation

3.2 Modes available (STV0680B-003)

Normal: 20 / 80

Audio Record: Ar

Audio Playback: AP

De lete Last: dA / dP / dC

Continuous Capture: Ct

Self-Timer: St

Clear All: CL

Re solution: Hr / Lr

Press Mode button

After 30sec of inactivity

Standby mode (u ntethered)

Notes:

1. Audio Record only available if audio hardware is fitted

2. Audio Playback only available once an audio clip has been recorded

3. Delete Last displays (only available if audio hardware fitted)
dA - if the last object is an audio clip
dP - if the last object is a picture
dC - if the last object is a continuous capture clip

The mode is inhibited if the camera is empty.

4. Continuous Capture mode is inhibited when the flashgun is enabled

(SW 6 down)

Figure 4 : STV0680B-003modes (CIF camera with 16Mbit SDRAM assumed)

3.3 Description of modes

Note that certain modes are only available using STV0680B-003, and with appropriate hardware
fitted on the camera.

3.3.1 Standby mode (untethered) and Wake-up

On power-up, or wake-up from untethered standby mode, (i.e. by pressing the Mode button), the

camera will beep twice. The LCD will briefly indicate the camera resolution either ‘Hr.’ for high
resolution (80 CIF or 26 VGA images - usi ng 64Mbit memo ry) or ‘Lr’ for low resolution (32 2 QCIF or
107 VGA images - using 64Mbit memory) and then display the number of pictures which may be
taken. Please note that in Low Resolution Mode, although t here can be up to 322 images availab le,
the LCD counter will only go up to 9 9, it will contin ue reporting 99 un til there are less than 99 images
left.

The camera will go back to standby mode either after 30 seconds of inactivity, LED1 will turn off and
the LCD will go blank. This can al so be done (STV 0680B-003 only) by pressing t he mode switch f or
more than 2 seconds.

3.3.2 Normal mode

Pressing the shutter button will take a pi cture . T he camer a wi ll beep. A h igh pi tched beep indi cates
that the picture was taken successfully and the counter will decrement (if there are less than 99
images left to take). A low beep indicates insufficient light to take a picture. A series of beeps
indicates that the camera is full.

Version 3.4 17/63

Camera modes of operation STV0680B + VV6444/6410/6500

Stored pictures may be uploaded t o a PC at any time, whether or not the ca mera is full. Plugging the
USB connector into the camera will cause it to r eset and issue a double b eep but all stored p ictures
will remain. When the USB connector is unplugged the ca mera will go to sleep. When connected to
the PC the camera may still be used in the normal way.

Note

: With the flashgun enabled (STV0680B-003 only) the camera will always take a picture,

whether or not there is sufficient light.

3.3.3 Audio record - Ar

This mode is available on STV0680B-003 only, with audio record hardware fitted.
Pressing the shutter button with in 5 secon ds w ill cause the camera to start recordi ng for as l ong as

the shutter button is pressed down. If the shutter butto n is not pressed withi n 5 seconds the camera

will revert to normal picture taking mode. Whilst recording, the LCD display flashes ‘Ar’. If the
recording stops because the memory is full, the ‘memory full’ audio tone is so unded and the displa y
will stop flashing and display ‘00’. The audio data is digitised and stored in SDRAM.

3.3.4 Audio Playback - AP

This mode is available on STV0680B-003 only, with audio playback hardware fitted.
Pressing the shutter button within 5 seconds will cause the camera to play back the most recent

audio recording. If the shutter button is not pressed within 5 seconds the camera will revert to
normal picture taking mode. Whilst playing, the LCD display flashes ‘AP’.

Once in Audio Playback mode, repeated presses of the shutter button will step the camera through
each of the audio recordings in the camera (most recent first). Keeping the shutter button pressed
down will also cycle through the audio recordings. Pressing the mode button during playback will
stop the audio clip.

Note

: Minimum audio recording length is set to 0.5 seconds.

3.3.5 Delete last object - dA/dP/dC

This mode is available on STV0680B-003 only, with audio record hardware fitted.
If the last object captured was an audio recording 'dA' (delete audio) will be displayed, if the last

object was an image, then 'dP' (delete picture) will be displayed, or, if the last object was part of a
continuous capture sequence, then 'dC' (delete continuous) will be displayed. If the camera is
empty , the mode will be suppressed. The mode works in the same way as ‘CL’ (Clear All), i.e. once
the mode is selected, pressing the shutter button once will cause the camera to b eep and ‘dA’, ‘dP’
or ‘dC’ to start flashing. Pressing the shutter butto n again within 5 seconds will delete the l ast audio
clip, picture or continuous capture sequence.

18/63 Version 3.4

STV0680B + VV6444/6410/6500 Camera modes of operation

3.3.6 Continuous mode - Ct

Pressing the shutter button within 5 seconds will cause the camera to start taking pictures for as
long as the shutter button is pressed down (and the camera is not full). If the shutter button is not
pressed within 5 seconds the camera will revert to normal picture taking mode.

Note: 1 During continuous mode the camera wil l allow picture s to be ta ken regardl ess of the ava ilable light,

which could result in insufficient exposure.

2 In continuous mode, only every alternate field is grabb ed hence capture rate is halved. E.g. 12.5 fps

CIF and 7.5fps VGA

3 On STV0680B-003, Continuous Mode is suppressed w hen the Fl ashGun ena ble signal ( GPI O2) is

high.

3.3.7 Self timer - St

Pressing the shutter button will now start a 10-second self-timer . The camera will issue a short beep
every second and then a longer beep. A further beep will then indicate that the picture has been
taken (high beep - picture successful, low beep - insufficient light, picture not taken). The self-timer
mode can not be selected when the camera is full. The self-timer countdown cannot be stopped
once it has started.

3.3.8 Clearing the camera memory - CL

Pressing the shutter button once will cause the camera to beep and the ‘CL’ to start flashing.
Pressing the shutter button again within 5 seconds will clear all the images/audio clips in the
camera and reset the counter.

3.3.9 Changing picture resolution - Hr/Lr

The resolution option is displayed, either Hr. to change to high-resolution mode (if currently in low­resolution mode) or Lr to change to low-resolution (if currently in high-resolution mode). Press the
shutter button within 5 seconds of selecting the resolution option, the camera will beep and the
display will reset indicating the number of pictures available in the new mode. The picture resolut ion
can be changed at any time, i.e. the camera can store both high and low resolution images.

Version 3.4 19/63

STV0680B hardware interfaces STV0680B + VV6444/6410/6500

4 STV0680B hardware interfaces

4.1 STV0680B pinout

The STV0680B pinout has been carefully developed to minimise the physical size of the support
printed circuit board by facilitating placement of and electrical routing to peripheral support
components such as the SDRAM. The complete pinout and listing is shown in

4.2 Sensor interface

STV0680B uses a standard ST digital interface from the sensor, and the sensor clock input is
provided by an output from STV0680B. Designing a camera using this chipset should design as
close as possible to the reference design (

a functional ‘black box’, and no further details regarding the STV0680B-sensor interface are
required.

4.3 Memory inte rface

Chapter 6

), in which case the chipset can be regarded as

Chapter 6

STV0680B is designed to interface to an external 16Mbit or 64Mbit SDRAM (see
SDRAM device must have a 16 bit wide data bus and operate from a 3.3V supply. Two sizes of
SDRAM memory are supported by STV0680B, 16MBits (1M x 16 bits wide) or 64MBits (4M x 16
bits wide), the memory size is auto-detected by STV0680B. STV0680B clocks the SDRAM at
6MHz, typically this is we ll below the fi gures offer ed by most manufacturers ’ devices. Devices whic h
are PC66 and/or PC100 compliant are preferred. For interface wiring, see

4.3.1 SDRAM current consumption

For maximum system battery life while no pictures are being taken, and to assist in meeting
requirements for USB compliance, an SDRAM should be chosen with the lowest possible self
refresh current specification. For suggested SDRAM part numbers, see

In addition, the USB suspend mode current specification require s that the camer a will consume no
greater than 300µA when un-tethered. Meeting this specification, which is included in the
requirements for USB compliance, assumes an SDRAM with up to approximately 250µA self­refresh current, based on a current consumption of approximately 50µA for STV0680B+support
circuit.

4.3.2 SDRAM interface timing requirements

The following timing diagrams should be referred to when selecting SDRAM other than those
recommended in

Chapter 6

Chapter 6

Chapter 6

Table 3

). The

20/63 Version 3.4

STV0680B + VV6444/6410/6500 STV0680B hardware interfaces

DCLK

CKE

Command

A0-9,BA

A10

DQM

DQ

t

CK

t

CMS

ACTIVE

t

CMH

t

L

READ

t

H

NOP PRECHARGE NOP

ROW COLUMN

ROW

t

AS

t

t

RCD

t

CMS

AH

t

t

AC

OH

DOUT M

READ Latency

t

RAS

DQ sample DQ sample DQ sample DQ sample

Figure 5 : SDRAM read timing (16Mbit device, burst read)

t

CMH

DOUT M + 1 DOUT M + 2 DOUT M + 3

t

RC

t

RP

DCLK

CKE

Command

A0-9,BA

A10

DQM

DQ

t

CK

t

CMS

ACTIVE

t

CMH

t

L

WRITE

t

H

NOP PRECHARGE NOP

ROW COLUMN

ROW

t

AS

t

t

CMS

AH

t

t

DH

DS

t

DIN M

RCD

DIN M + 1 DIN M + 2 DIN M + 3

t

RAS

Figure 6 : SDRAM write timing (16Mbit device, burst write)

t

CMH

t

RC

t

RP

Version 3.4 21/63

STV0680B hardware interfaces STV0680B + VV6444/6410/6500

Symbol Min. Max Units Symbol Min. Max Units

t

CK

t

CH

t

CL

t

AC

t

OH

t

CMS

t

CMH

t

AS

166.45 166.89 ns

½
½

½

0ns

82.88 ns

82.85 ns

82.88 ns

Table 5 : Timing parameters for SDRAM read/write

4.3.3 SDRAM refresh period

The SDRAM refresh period from STV0680B is guaranteed to be no greater than 15.6µS during

‘Snapshot’/self-timer/continuous/tethered video modes of operation (i.e. not standby mode). In
standby mode, the SDRAM is set to self-refresh, therefore no refresh from STV0680B takes place.

4.3.4 SDRAM initialisation period

The SDRAM initialisation period is currently set to 981µS in STV0680B.

t

DS

t

CK

t

CK

t

CK

t

DH

t

RCD

t

RAS

t

RC

t

RP

t

RCD

t

AH

81.01 ns

83.41 ns
1
55
7
2
1

t
t
t
t
t

82.76 ns

CK

CK

CK

CK

CK

4.4 USB interface

STV0680B includes a USB Version 1.1 compliant Universal Serial Bus Interface, including a
transceiver. This allows direct connection from STV0680B to a USB connector with minimal
additional hardware (i.e. a small number of passive discretes) - see

The USB interface interf aces the STV0680B to the USB at full spee d 12MHz data r ate. Some of the
features are:

● Compliant with USB protocol revision 1.1.

● USB protocol handling.

● USB device state handling.

● Clock and data recovery from USB.

● Bit stripping and bit stuffing functions.

● CRC5 checking, CRC16 generation and checking.

● Serial to parallel conversion.

● Single bulk end point.

USB drivers are supplied by ST. For USB timing information, please refer to the USB specification
V1.1.

Chapter 6

22/63 Version 3.4

STV0680B + VV6444/6410/6500 STV0680B hardware interfaces

4.5 UART module for RS232 interface

The UART module on STV0680B p rovides a 115200 baud full duplex interface to a n exter nal H ost.

4.5.1 RS232 physical interface

STV0680B does not support direct connection to a serial link. Physical line driver circuitry is
required, e.g. using a standard RS232 transceiver chip, or by using a small number of low cost
discretes (as shown in
no greater than 2m. Unscreened cable can be used, a suitable low cost connector is a 3.5mm audio
jack plugs/sockets.

4.5.2 UART module overview

Receiving data
The UART module in STV0680B receives serial data through the RXD pin. Data reception is

initiated by a 1-to-0 transition on RXD, and the received data is sampled every 8.66µS.
If the RXD input is not 0 when the incoming data is first sampled, the UART module goes back to

look for another 1-to-0 transition . This i s to pr ovi de r ejectio n of fal se star t bi ts. If th e start bit proves
valid, reception of the rest of the frame will proceed.

Transmitting data

Chapter 6

). The schematics shown assume a 3 core cable with a length of

When a transmission is activated by STV0680B, the contents of an internal transmit shift register
are shifted onto the TXD pin, every 8.66µS.

The UART operates at 12MHz, whi ch is not an i nteger multi ple of 115200, so the actual baud rate is
115232 +/- 0.3%, which is well within the requirements of a typical 16x oversampling UART, which
can tolerate a 3.75% error in baud rate.

4.6 Power management and battery type

STV0680B and the SDRAM require a 3.3V sup ply. Where a VV6410/6411 or VV6500 (3.3v) sensor
is used, a single voltage regulator can be used to regu late the supply for all t hree compon ents from
the battery, or the sensor on-board VReg can be used. Where a VV6444 is used, the sensor
requires a 5V supply, hence a DC-DC converter is recommended to provide enough voltage when
the camera is powered from the USB bus. These are explained more fully in the reference design.

4.6.1 Power switching to USB

Included in the USB compliance requirements, is the abil ity of the camera to report to the PC when
connected to the USB bus, whether or not there is a fresh battery in the camera. This means that
power sourcing from USB is required, which also saves on battery life while the camera is used in
USB tethered video mode. In order to allow switching from battery to USB power, some additional
hardware is required (see also

● The USBDETECT input to STV0680B is used to detect that a USB power supply is connected

● If the USB is detected, additional hardware is used to switch off the battery

● An inrush protection circuit can protect the USB bus from current draw in the case of a low

battery/battery not fitted. This may be necessary to comply with the USB specification.

Chapter 6

):

For precise USB compliance requirements, please consult the USB specification version 1.1

4.6.2 Switched sensor supply

Dependant on the hardware implementatio n, the SENSPWR output from STV0680B can be used to
power off completely the sensor during Standby mode (in the case of VV6444) or put the sensor

Version 3.4 23/63

STV0680B hardware interfaces STV0680B + VV6444/6410/6500

into Suspend mode (in the case of VV6410/6411/6500). This has a significant improvement on
battery life.

4.6.3 Battery type

This is hardware dependant. The schematics referred to in

1.5V cells.

4.7 Quartz crystal

Regardless of the sensor type or anti-flicker requirements, the sensor + STV0680B chipset
operates from a single 12MHz fundamental quartz crystal. For specification requirements, see

Table 13

. STV0680B includes an on-chip low jitter PLL, for PLL characteristics, see

4.8 Numeric LCD interface

STV0680B supports a 2-digit LCD panel only, for alpha-numeric display.

4.8.1 LCD types

STV0680B connects to a non multiplexed, direct drive LCD with 2 x 7 segments. Many LCD types
are compatible with this interface. The LCD refresh frequency is 34.7Hz.

4.8.2 LCD interface pinout

The convention for segment numbering is as follows: ’0’ connects to segment ’a’, ’1’ connects to
segment ’b’, and so on, where a to g are standard for all 7-segment displays, as well as an LCD
common output, giving fifteen signals in total.

Chapter 6

assume either three or four

Table 12

.

4.9 Switches and LED’s

The GPIO lines on STV0680B have pre-defined functions as follows, see
interface functionality, and

Chapter 6

for precise hardware implementation

4.9.1 MODE push button and SHUTTER push button: GPIO0 and GPIO1

Both push button inputs have internal de-bounce circuits, reduci ng the amount of hardware required
externally. It is recommended that labelling is used on the camera casing to help the user
understand the functioning of the 2-button interface.

4.9.2 Input to select between 50 and 60Hz flicker frequency: GPIO3

This allows for factory setting of the anti-flicker frequency, dependant on the final country of
destination. See also
(see

Chapter 6

).

Section 2.6

. The polarity of this selection is detailed in the reference design

4.9.3 LED indicator output: GPIO5

The LED output has an 8mA current sinking capability.

4.9.4 Other pins: GPIO2, 4, 6, 7

With STV0680B-001, these pins are un-used and should be tied to GND.

Section 2.2

for user

24/63 Version 3.4

STV0680B + VV6444/6410/6500 STV0680B hardware interfaces

With STV0680B-003, these pins are used, as detailed in

GPIO 2 4 6 7

Audio Reco rd No Yes No No
Audio

Playback
Flashgun Yes No No Yes

No No Yes No

Table 6 : Other GPIO usage with STV0680-003

Table 6

Their specific functions are detailed in the reference design and in the following documents
available from ST:

● Audio: Application note AN1310

● Flashgun: Application note AN1312

4.9.5 Audio record hardware interface (STV0680B-003 only)

The firmware implements a successive approximation A/D conversion by outputting successive
analogue levels through the DAC output, which are compared with the actual signal level (output
from the sensor microphone preamplifi er), and the resul tant high or low signal from the compar ator
is read at GPIO4. The sampling frequency is 1 1kHz, and the successive approximation is done at 8
bits resolution per sample. It i s not possible to speed u p the sampling frequen cy due to the limitation
of STV0680B firmware speed.

An actual hardware implementation is given in the audio application note AN1310.

.

4.9.6 Audio playback hardware interface (STV0680B-003 only)

The firmware outputs the desired signal level through the DAC output, which is amplified to the
speaker or headphone socket. GPIO6 is used to switch off the amplifier during periods of audio
recording, to prevent the successive approximation waveform from being heard during periods of
recording, and to reduce the power consumption and unwanted crackle through the speaker.

An actual hardware implementation is given in the audio application note AN1310.

4.10 Flashgun hardware interface (STV0680B-003 only)

STV0680B-003 will revert to flashgun e xposure when it dete cts GPIO2 is high . Ideally t he hardwar e
should combine the two factors of (a) user intentio n (e.g. user switches on flashgun ) and (b) charge
sensing (i.e. flash is charged up and ready to fire).

These two factors (a) and (b) are independent, since there may be a delay of several seconds
between switching on the flashgun charge r , and the flashg un being able to fi re. To revert to flashgun
exposure before the flashgun is completely charged up would cause very bad pictures to be taken

in low light conditions because ther e is no “low lig ht” threshol d when flashgun exposure is enabled,
since the camera expects a flash to fire. A suggested flashgun hardware interface is given in the
flashgun application note AN1312.

When flashgun exposure is enabled and the shutter button is pressed, a picture will be taken and
the flash trigger pin GPIO7 will be pulsed low at the correct point in time so that all lines of the
CMOS imager are exposed.

4.11 IR filter

An Infra-Red Blocking Filter is re qui red to achi eve corre ct colour r esponse. The exact specifi cati on
for the IR filter characteristics are given in the reference design manual.

Version 3.4 25/63

Software support STV0680B + VV6444/6410/6500

5 Software support

5.1 General features

The chipset is a dual-mode camera, i.e. stills and video, and is supported by a range of
demonstration software, standard drivers, and software development options.

Driver software is available to support both USB and RS232 interface including standard TWAIN
and video for Windows drivers (VfW through USB only) for Wi n98/Win2k/Wi nME. Quicktime drivers
and a Photoshop stills plug in for MacOS 8.6/9.0/9.1 are also supported.

Example software applications (PC only) are provided to create .AVI video files from untethered
continuous capture of images (AVICreator), to upload still images and recorded sounds
(LCDCdemo) and to download .W A V files from the PC to the camera (CustomSound). In each case,
PC source code is provided to assist in OEM software development using the SDK.

ST colour processing and defect detection/correction software runs on the host and is supplied
under licence agreement, as part of all host software/drivers/SDK.

5.1.1

Still image

upload

This is available throug h demonstrat ion softwa re, OEM cust om software, or using standard T W AIN
applications. Features include:

● Fast upload through USB, or upload through RS232.

● Colour display of image thumbnails for picture selection.

● Download of full image once selected by user software.

● Automatic detection and correction of sensor defects

● Colour processing of full image, using the ST colour process

The above features also apply to “AVI Creator” or any OEM custom softwar e fo r AVI video creation
from pictures taken while un-tethered, since this is essentially a “stills” function.

5.1.2

Streaming video

(only while tethered to USB)

This is available through demonstration software, or using standard VfW applications. Features
include:

● Streaming video through standard VfW driver

● Automatic detection and correction of sensor defects

● Colour processing of full image, using the ST colour process

5.2 Software installation

The following software support is only available to OEMs. Access to the latest installation files is
possible through a password-protected web page, contact ST for details. The install file gives the
option to install:

● Drivers (always check web site for latest driver version).

● EVK software, i.e. LCDCdemo.exe and AVIcreator.exe, G2Video.exe, and CTItest2.exe

● SDK installation: source code for sample applications, and documentation

26/63 Version 3.4

STV0680B + VV6444/6410/6500 Software support

5.2.1 Driver support available

Interface type:

PC Operating system:

Mac OS

STV0680B-001

STV0680B-003

RS232 USB
Win9x, WinNT4, Win2k, Windows

Millennium
N/A 8.6, 9.0, 9.1

TWAIN TWAIN, VfW

Table 7 : Driver choices

Win98 and Win2k only, Windows
millenium

5.2.2 EVK software

Note: The following is also supplied with evaluation kit s/demonstration u nits, but all the follow ing software

is only for demonstratio n pu rposes and sho ul d N OT b e supp lied as an end-user product. However,
application-level source code (i.e. not driver/colour processing source) for LCDCdemo.exe, AVI
creator , and CTItest.exe is avai lable as pa rt of the SDK, which all ows similar appli cations to be buil t
by the software developer:

1 Simple demonstration software LCDCdemo.exe for uploading thumbnails and images.
2 AVIcreator.exe software for uploading continuous images for creating ‘movie’ clips.

3 G2Video.exe is a VfW application which shows streaming video while tethered to USB and

allows creation of.AVI video clips.

4 CTItest.exe is only for debugging purposes, for software developers using the SDK

5.2.3 Software Development Kit (SDK) and source code

A software development kit allows the OEM to develop a custom application which calls the same
range of drivers as listed in
download, thumbnail display, and colour processing using the ST colour process. Inclusion of
source code for the applications listed in
as the basis for their own application.

The SDK is supplied by ST as a 32-bit DLL format, running on Windows 98/Wi n2K
through a documented software interface. Development requires Microsoft Visual Studio Ver. 6 or
later. This provides the basis for developing a custom software application for stills.

Note: Source code for PC Drivers, Defect Correction, and Colour Processing algorithms ar e not available.

Section 5.2.1

, hence allowing the OEM application to perform picture

Section 5.2.2

allows the software developer to use these

TM

, and accessed

Version 3.4 27/63

Detailed chipset specifications STV0680B + VV6444/6410/6500

6 Detailed chipset specifications

6.1 Typical camera specifications

The following data assumes that the camera has been built accor ding to referen ce design shown in

Chapter 6

Supply Voltage

Operating Te mpe ra ture range

Max. RS232 cable length supported

CIF output

QCIF output

VGA output (using VV6500)

QVGA output (using VV6500)

SDRAM storage and image upload format

PC driver output format

Table 8 : Typical camera specifications

4.1-6V (when powered from battery or USB)

0oC - 40oC

2m

352 x 288 pixels

176 x 144 pixels

640 x 480 pixels

320 x 240 pixels

Raw Bayer

Colour RGB bi tmap

Note: 1 Dual USB or battery power supply is only possible when the required power switching

hardware is included, as shown in Chapter 6

2 Figures are approximate and depend on actual components sources.

Sensor Min. Max

VV6444 8.18µS39mS

VV6410/6411 8.67µS44mS

VV6500 7.94µS66mS

Table 9 : Approximate shutter speeds

28/63 Version 3.4

STV0680B + VV6444/6410/6500 Detailed chipset specifications

6.2 STV0680B companion processor

Parameter Min. Typ. Max. Units

Supply voltage 3.0 3.3 3.6 V
Current consumption (normal operation) 20 - mA
Stand-by current consumption

(untethere d standby or tethered PC suspend m o de)

--5µA

Operating temperature range 0 - 70 °C
Package 100QFP
Exposure control 1 000 000 : 1

Storage Temperature (Approx i ma te ) 50 to 150

o

C

Table 10 : STV0680B specifications

Parameter Description Min. Typ Max Units Notes

VDD Power Supply 3.0 3.3 3.6 V
V

V
V
V
V
V
V

V

ILU

IHU

IHUZ

DI

CM

OLU

OHU

CRS

USB differential pad D+/D- input low 0.8 V
USB different i al pad D+/D- input high (driven) 2.0 V
USB differential pad D+/D- input high (floating) 2.7 3.6 V
USB differential pad D+/D- input sensitivity 0.2 V 1
USB differential pad D+/D- common mode voltage 0.8 2.5 V 2
USB differential pad D+/D- output low voltage 0.0 0.3 V
USB differential pad D+/D- output high voltage 2.8 3.6 V
USB different i al pad D+/D- output signal cross ov er

voltage

1.3 2.0 V

R
R
TF
TF
TF
Z

PU

PD

R

F

RFM

DRV

USB different i al pad D+/D- pull up resistor 1.425 1. 575 kΩ
USB different i al pad D+/D- pull-down resistor 14.25 15.75 kΩ
Rise Time 4 20 ns
Fall Time 4 20 ns
Differential Rise Time and Fall Time Matching 90 111.11 % 3
Driver Output Resistance 28 44 Ohms 4

Note: 1 VDI = |(D+) - (D-)|

2V
3TF

includes VDI range.

CM

=(TFR / TFF).

RFM

Table 11 : STV0680B USB specifications

Version 3.4 29/63

Detailed chipset specifications STV0680B + VV6444/6410/6500

4Z

includes an external resistor of 20 Ohms serial to this transceiver.

DRV

Parameter Conditions Symbol Min. Typ Max Unit

Peak to peak jitters @VCOfreq = 100MHz ~ 200MHz -- -- 170 220 ps
Duty cycle -- 40 50 60 %
Operating voltage range VDD 3 3.3 3.6 V
Input low voltage VDD=3.3V VIL - 0.8 V
Input high voltage VDD=3.3V VIH 0.7VDD VDD V
pull in Time + Locking

Time
Output Slew Rate CL: Output Load (pF) Tsr(Fout) -- 0.100+0.1082*CL -- ns

Ready -- -- 0.5 ms

Table 12 : STV0680B PLL characteristics

Parameter Min. Typ Max Units

Crystal specification 50/50/10/30 (12 MHz fundamental)
Crystal frequency 12.000 MHz
Frequency tolerance 50 ppm
Temperature stability 50 ppm
Operating temperature -10 Deg. C
Load capacitance 30 pF

6.3 VV6444 sensor

This has been superseded by VV6410/6411

Colour Image Format 352 x 288 pixels (CIF)
Pixel Size 12.0 x 11.0µm
Image array siz e 4.272 m m x 3.212mm
Array Format CIF
Sensor signal / Noise ratio Approx. 48dB (* See
Supply Voltage 5.0V DC +/-5%

Note: 1 48dB refers to VV6404. With the addition of microlenses on VV6444, an increase in

sensitivity can be expected.

2 Where the sensor is completely power ed off by a FET or switch (exte rnal hardw are) durin g

the Standby/PC Suspend Mode.

Table 13 : STV0680B crystal tolerance

Note 1

Table 14 : VV6444 specifications

)

3 Where the FET/switcher is not implemented, and the sensor is powered throughout

Standby/PC Suspend Mode, however the sensor clock is disabled.

30/63 Version 3.4

STV0680B + VV6444/6410/6500 Detailed chipset specifications

Package type 48LCC
Operating Temp. range

Current consumption Min. Typ Max Units

o

C - 40oC

0

’Snapshot’/self-timer/c ontinuous/tet hered video
modes of operation

Stand-by/PC Suspend Mode, sensor powered off
(see

Note 2

)

Stand-by/PC Suspend Mode, sensor powered on
(See

Note 3

)

30 mA

Negligible µA

Approx. 300 µA

Table 14 : VV6444 specifications

Note: 1 48dB refers to VV6404. With the addition of microlenses on VV6444, an increase in

sensitivity can be expected.

2 Where the sensor is completely power ed off by a FET or switch (exte rnal hardw are) durin g

the Standby/PC Suspend Mode.

3 Where the FET/switcher is not implemented, and the sensor is powered throughout

Standby/PC Suspend Mode, however the sensor clock is disabled.

Version 3.4 31/63

Detailed chipset specifications STV0680B + VV6444/6410/6500

6.4 VV6410/6411 and VV6500 sensors

Colour Image Forma t 352 x 288 pixels (CIF)
Pixel Size 7.5 x 6.9µm
Image array size 2.67mm x 2.04mm
Array Format CIF
Sensor signal / Noise ratio Approx. 57dB
Package type 36LCC (VV6410) TBD (VV6411)
Supply Voltage 3.3V DC +/-5%

Operating Temp. range

Current consumption Min. Typ Max. Units

o

0

C - 40oC

’Snapshot’/sel f- ti mer/continuous/ t et hered video
modes of operation

Stand-by Mode/PC Suspend Mode <70 100 µA

25 40 mA

Ta ble 15 : VV6410/64 11 specifications

Colour Image Format 640 x 480 pixels (VGA)
Pixel Size 7.5 x 7.5µm
Image array size 4.89mm x 3.66mm
Array Form at VGA
Sensor signal / Noise ratio Approx. 57dB
Supply Voltage 3.3V DC +/-5%
Package type 48LCC

Operating Temp. range

Current consumption Min. Typ Max Units

’Snapshot’/self-timer/continuous/tethered video
modes of operation

Standby Mode/PC Suspend Mode, SUSPEND
pin asserted (see

Note 1

)

o

0

C - 40oC

30 50 mA

<100 150 µA

Standby Mode/PC Suspend Mode, SUSPEND
pin

not

asserted (see

Note 2

)

<200 200 µA

Table 16 : VV6500 specifications

Note: 1 Assuming appropriate external hardware recommendations are implemented (see Chapter 6), the

sensor SUSPEND pin is asserted during Standby Mode/PC Suspend Mode. Hence the sensor is
placed in Sensor Suspend mode by means of (a) a Serial interface message and (b) the SUSPEND
pin being asserted.

2 Where the external hardware does not permit the sensor SUSPEND pin to be asserted (during

Standby Mode/PC Suspend Mode, the sensor is placed in Sensor Suspend mode by means of a
Serial interface message only. This increases current consumption due to a pull-up on the
SUSPEND pin. This only applies to VV6500.

32/63 Version 3.4

STV0680B + VV6444/6410/6500 Detailed chipset specifications

6.5 Typical current consumption of complete camera

The following data assumes that the camera has been built according to reference design referred
to in

Chapter 6

6.5.1 Using VV6444 (sensor operates at @ 5V DC)

’Snapshot’/Continuous/Self
timer mode (whil e un-teth­ered)

Figures are approximate and depend on actual components sources - see notes.

Mode Typical Current Cons. Comments

80mA

’Snapshot’/Continuous/S elf
timer mode (while tethered
to PC)

Camera stand-by mode
(when NOT connect ed to

USB)

Suspend mode
(when connected to USB)

80mA

Approx. 220µA + SDRAM
self-refresh current (se e

Note 2

)

Approx. 80µA + SDRAM
self-refresh current (se e

Note 2

)

Assuming ap propriate hardware included, po wer is sourced
from PC while USB connected.

Total current in this mode equals
STV0680/680A Standby current consumption (see
+ SDRAM self-refresh current (see

+ peripheral circuitry (approx. 50
Total current in this mode equals

STV0680/680A Standby current consumption (see
+ SDRAM self-refresh current (see

+ peripheral circuitry (approx. 50

µA, based on 1.5k pull-up in camera (see

+ 200
and 15k pull-down in PC.

:

Note 2

µA, see

:

Note 2

µA, see

)

Note 3

)

Note 3

Table 17 : Current consumption, complete STV0680B+VV6444 camera

Note: 1 See Table 10 fin Section 6.2

2 From limited evaluation, typical self-refresh current figures of certain SDRAM chips are well below

manufacturers’ maximum specification,

e.g. 100-250µA

. See Section 4 for recommendations.

3 This is assuming a low quiescent current 3v3 VReg is used, and assuming that the sensor is

switched off using external circuitry.

Note 1

).

Note 1

).

Section 4

)

)

)

Version 3.4 33/63

Detailed chipset specifications STV0680B + VV6444/6410/6500

6.5.2 Using VV6410/6411/6500 (sensor operates at @ 3.3V DC)

Mode Typical Comments

’Snapshot’/Continuous/
Self timer mode
(while un-tethered)

’Snapshot’/Continuous/
Self timer mode
(while tethered to PC)

While playing back audio
sounds throug h speaker

Standby Mode (when NOT
connected to USB):
Sensor SUSPEND pin
asserted (see

PC Suspend mode
(when connected to USB):

Sensor SUSPEND pin
asserted (see

Standby Mode (when NOT
connected to USB): se nsor
powered off using F ET

Note 5

(see

)

Note 4

Note 4

)

)

60mA Assuming appropriate hardware included, power is sourced

60mA

90mA

Approx. 220µA + SDRAM
self-refresh current
(see

Note 2
Note 3

Note 2
Note 3

Note 2

) + sensor
)

) + sensor
)

)

suspend mode current
(see

Approx. 50µA + SDRAM
self-refresh current
(see
suspend mode current
(see

Approx. 220µA + SDRAM
self-refresh current
(see

from PC while USB connected.

Assuming 8
AN1310

To t a l current in this mode equals
STV0680B Standb y current consumpt i on (s ee
+ SDRAM self-refresh current (see

+ peripheral circuitry (appro x. 50
+ Sensor suspend mode current (See

To t a l current in this mode equals
STV0680B Standb y current consumpt i on (s ee
+SDRAM self-refresh current (see

+ peripheral circuitry (appro x. 50
+ 200

and 15k pull-down in PC.
+ Sensor suspend mode current (See

To t a l current in this mode equals
STV0680B Standb y current consumpt i on (s ee
+ SDRAM self-refresh current (see

+ peripheral circuitry (appro x. 50

Ω speaker as explai ned in application note

:

Note 2

)

µA).

Note 3

:

Note 2

)

µA).

µA, based on 1.5k pull-up in camera (see

Note 3

:

Note 2

)

µA).

Note 1

)

Note 1

Chapter 6

)

Note 1

)

)

)

)

PC Suspend mode (when
connected to USB): se nsor
powered off using F ET

Note 5

(see

)

Approx. 100µA + SDRAM
self-refresh current
(see

Note 2

)

To t a l current in this mode equals
STV0680B Standb y current consumpt i on (s ee
+SDRAM self-refresh current (see

+ peripheral circuitry (appro x. 50

:

Note 2

µA).

)

Table 18 : Current consumption, complete STV0680B+VV6410/6411/6500 camera

Note: 1 See Table 10 fin Section 6.2.

2 From limited evaluation, typical self-refresh current figures of certain SDRAM chips are well below

manufacturers’ maximum specification,

3 Sensor suspend mode current <100

e.g. 100-250µA

µ

A (needs SUSPEND pin asserted with VV6500), see Table 15

. See Section 4 for recommendations.

and Table 16.

4 If the appropriate hardware to assert the sensor SUSPEND pin is not fitted, an additional current

µ

consumption in Standby/PC Suspend mode of Approx. 50

A can be expected with VV6500.

5 Option included in reference design to save current consumption, which can increase battery life

and increase chances of meeting USB suspend mode compliance requirements.

34/63 Version 3.4

Note 1

)

STV0680B+ VV6410/6411/6500 STV0680 Camera System Defect Specification

7 STV0680 Camera System Defect Specification

Note: The information in this chapter is subject to change without notice. Contact ST for precise details

and information on correct driver versions.

7.1 General

ST CMOS Sensors can contain defects as part of their standard sales specification. The sensor
defect specification, if required, can be found in the appropriate sensor datasheet, however this
specification is not the same as the camera system defect specification.

When an ST CMOS Sensor is u sed in a STV0680B camera system, a defect corre ction algori thm in
the camera system will correct the sensor defects so that in the vast majority of cases the user
should not see defects in the final colour image generated by the PC/Mac driver. This chapter
clarifies the defect specification for the overall camera system.

7.2 Defect specification

When using the specified Camera System, under the specified Test Conditions:

1 No Major Visible defects are allowed in the Final Colour Image from a CIF camera (VV6410/

641 1/6444) or VGA Camer a (using VV6500 shipped by ST until end of Q1 2001), except under
certain limitations given in

2 No Major Visible defects are allowed in the "Inner area" (within the central 242 x 322 pixels) of

the Final Colour Image from a VGA camera (VV6500 shipped by ST after start of Q2 2001),
except under certain limitations given in

3 Some Minor Visible defects are allowed in the "Outer area" (outside the central 242 x 322

pixels) of the Final Colour Ima ge from a VGA camer a ( VV6500 shipped by ST after start of Q2

2001), but no Major Visible Defects are allowed in the "Outer area", except under certain
limitations given in

Section 7.2.1

Section 7.2.1

and

Section 7.3.7

and

Section 7.3.7

Section 7.2.1

.

.

and

Section 7.3.7

.

7.2.1 Appearance of defects under other conditions

During normal camera use (e.g. lensed camera used in a “r eal situation”), it is possible that defects
may be visible under certain conditions:

● At the sharp edge of certain light/dark transitions

7.3 Definition of the "Camera System"

All of the following conditions must be met for the defect specification to be applicable to the
"Camera System".

Note that the EVK units STV-DCA/CIF-E01 or -E04 and STV-VGA/VGA-E01 or -E04 both conform
to these conditions, hence have the same defect specification as detailed in

7.3.1 CMOS Imaging Sensor

The defect specification applies to the Camera System if any of the following sensors are used.

● VV6444-C001

● VV6410-C036

● VV6411-C036

Version 3.4 35/63

Section 7.2

.

STV0680 Camera System Defect Specification STV0680B+ VV6410/6411/6500

● VV6500-C001

7.3.2 Companion ASIC

The defect specification applies to the Camer a System, if any of the followi ng companion ASICs a re
used, subject to the firmware notes shown in

● STV0680

● STV0680A

● STV0680B

Section 7.3.3

:

7.3.3 Companion ASIC Firmware:

Only standard firmware sold by ST is covered by this defect speci ficatio n. Any OEM modi fication of
companion ASIC firmware through the STV0680 FDK means that this defect spec does not apply.
Devices containing standard firmware are sold under the following order codes:

● STV0680-001

● STV0680A-002

● STV0680B-001

● STV0680B-003

7.3.4 Camera Hardware

Camera built according to the ST Imaging Division Reference Design, including any of the options
shown.

7.3.5 Host Interface

USB or RS232 interfaces can be used.

7.3.6 Host Operating System

● PC running Windows 98, Windows 2k, Windows ME, or Mac running Mac OS 8.6 or above.

● PC Drivers with VV6444/6410 and VV6500 until end Q1 2001: Version 1.00 or above.

● PC Drivers with all sensors, including VV6500 shipped after start of Q2 2001: Version 1.14 or

above.

7.3.7 PC Software:

● Standard TWAIN Interface (PC) or Photoshop compatible plug-in (Mac)

● LCDCdemo.exe (see note 1), AVICreator.exe, or other OEM application generated through

SDK (see note 1).

● Any VfW Application (see note 2) on PC or Quicktime application on Mac.

Notes on non-default software settings

Note: 1 With the "Greyscale" checkbox enabled in LCDCdemo.exe, uploading a full resolution image by

double clicking on the image thumbnail will produce a r aw “Bayer” image which can include de fects.
The "Greyscale" facility is intended for OEM debug purposes only, and cannot be regarded as a
“final colour image”.

:

2 When running any VfW application, the Source->Advanced->Anti-Speckle function can be used to

enable/disable defect correction and select the correct method of defect correction in the final
colour image. Hence it is possible to see defects when the "Anti Speckle" checkbox is cleared, or
when the anti-speckle filter does not match the sensor type.

36/63 Version 3.4

STV0680B+ VV6410/6411/6500 STV0680 Camera System Defect Specification

● Sensors VV6410/6411/6444 and VV6500 shipped before end Q1 2001 require Anti-speckle 1

● Sensors VV6500 shipped after start Q2 2001 require Anti-speckle 2

7.4 Definition of the "Test Conditions"

7.4.1 Optics

● No Lens or IR filter

● No dirt on sensor glass

7.4.2 Illumination and uniformity of scene

No lens should be used. The intensity of required illumination and the uniformity of t he scene can be
defined thus. A defect-free image should give a luminosity histogramme (8 bi ts reso lut ion ) with the
following statistics:

1 Mean

2 Standard Deviation

: (45% of full scale) < Mean < (65% of full scale). Ideal lumi nosi ty ( mid g rey) = 5 0-60 % of

full scale.

: Standard Deviation < 10.

7.5 Definition of a "Major Visible Defect"

Anything which is visible with the naked eye under the conditions described, is worthy of further
investigation. For example:

Version 3.4 37/63

STV0680 Camera System Defect Specification STV0680B+ VV6410/6411/6500

Figure 7 : No “Visible” defects

Figure 8 : Histogram of No “Visible” defects; Mean = 139; Minimum = 90

Defect

38/63 Version 3.4

STV0680B+ VV6410/6411/6500 STV0680 Camera System Defect Specification

Figure 9 : “Visible” defect

Minimum

Figure 10 : Histogram of image with “Visible” defect; Mean = 145; Minimum = 0

7.6 Definition of the "Final Colour Image"

This means the Bitmap (.bmp) image displayed by the PC software as described in

7.7 Definition of a “Minor Visible Defect”

Please refer to sensor datasheet.

Section 7.3.7

.

Version 3.4 39/63

STV0680B pinout information and package dimensions STV0680B+ VV6410/6411/6500

8 STV0680B pinout information and package dimensions

8.1 STV0680B pinout

Pin no. Signal Type Description Drive

Sensor Interface

69 SENSPWR

68 SENSRST Output, active low Reset Sensor

60 SCL

61 SDA

62 SD3 I nput (S,T) Sensor data
63 SD2 I nput (S,T) Sensor data
64 SD1 I nput (S,T) Sensor data
65 SD0 I nput (S,T) Sensor data
66 QCLK Input (S,T) Quali fication clock from sensor
67 SCLKO Output Clock output to sensor 4mA

Output, active
high

Input/Output
(OD,T)

Input/Output
(OD,T)

Power-up Sensor

Sensor serial interface

Sensor serial interface

2mA
(SL)

2mA
(SL)

4mA
(SL)

4mA
(SL)

GPIO (see notes)

77

76

75

GPIO0

)

(MODE
GPIO1

(SHUTTER
GPIO2

(FL-EN)

Debounced input Push button (Wake-up/Mode)

Debounced input Push button (Shutter/Confirm)

)

IO (OD) Flash enable input (

Note 3

)

8mA
(SL)

8mA
(SL)

8mA
(SL)

74 GPIO3 (50/60) Debounc ed input L i nk to select betw een 50Hz and 60Hz lighting

73

72 GPIO5 O utput (OD) LED indicator

71

70

GPIO4
(AUD-COMP)

GPIO6
(AMP-EN)

GPIO7
(FL-TRIG

)

IO (OD) Audio comparator input (

IO (OD) Audio Amp enabl e (

IO (OD) Flash trigger (Active Low) (

Table 19 : STV0680B Pin listing

40/63 Version 3.4

Note 3

Note 3

)

Note 3

8mA
(SL)

)

)

8mA
(SL)

8mA
(SL)

8mA
(SL)

8mA
(SL)

STV0680B+ VV6410/6411/6500 STV0680B pinout information and package dimensions

Pin no. Signal Type Description Drive

USB Interface

Detect Power source from USB.

42 USBDETECT Input (S)

43 DATA+ Input/Output

44 DATA- Input/Output

RS232 Interface

58 TXD Output

59 RXD Input (S)

(For camera wit h RS232 only, this pin should be tied
to GND)

USB bus
(For camera wit h RS232 only, this pin should be

connected to test points to allow for USB production
test (lens focussing))

USB bus.
(For camera wit h RS232 only, this pin should be

connected to test points to allow for USB production
test (lens focussing))

Serial data transmit
(For camera with USB only, this pin should be tied to

RXD)
Serial data re ceive

(For camera with USB only, this pin should be tied to
TXD)

USB
specific
ation
V1.1
complia
nt I/O

4mA
(SL)

STV0680B Master Clocks and Reset

48 XIN Input Quartz Crystal IN
49 XOUT Output Quartz Crystal OUT
51 RESET Input (S) Active (LOW) STV0680B reset

System Memory (SDRAM) Interface

20 DQMU Output Data input/output mask for dram_DQ[15:8]

22 DCLK Output

24 CKE Output

28 AD11 Output

31 AD9 Output SDRAM address A9

33 AD8 Output SDRAM address A8

35 AD7 Output SDRAM address A7

37 AD6 Output SDRAM address A6

Clock: all SD RA M input signals are sampled on the
positive edge

Clock enable: activates (HIGH) and deactivates
(LOW) the SDRAM CLK signal

SDRAM address A 11 for 64M SDRAM or BA for 16M
SDRAM

2mA
(SL)

4mA

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

39 AD5 Output SDRAM address A5

Table 19 : STV0680B Pin listing

Version 3.4 41/63

2mA
(SL)

STV0680B pinout information and package dimensions STV0680B+ VV6410/6411/6500

Pin no. Signal Type Description Drive

41 AD4 Output SDRAM address A4

40 AD3 Output SDRAM address A3

38 AD2 Output SDRAM address A2

36 AD1 Output SDRAM address A1

34 AD0 Output SDRAM address A0

32 AD10 Output SDRAM address A10

26 AD12 Output

30 AD13 Output

25 CS Output, active low

23 RAS Output, active low SDRAM row address strobe command

21 CAS Output, active low SDRAM column address strobe comman d

SDRAM address A12, BA 0 for 64 M SDRAM , unus ed
on 16M

SDRAM address A13, BA 1 for 64 M SDRAM , unus ed
on 16M

Chip select : enables (regist ered LOW) and dis ables
(registered HIGH) the SDRAM command decoder.

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

19 WE Output, active low SDRAM write enabl e com man d

18 DQML Output Data input/output mask for dram_DQ[7:0]

16 DQ7 Input/Output SDRAM Data Bus

14 DQ6 Input/Output SDRAM Data Bus

12 DQ5 Input/Output SDRAM Data Bus

10 DQ4 Input/Output SDRAM Data Bus

8 DQ3 Input/Output SDRAM Data Bus

6 DQ2 Input/Output SDRAM Data Bus

4 DQ1 Input/Output SDRAM Data Bus

Table 19 : STV0680B Pin listing

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

42/63 Version 3.4

STV0680B+ VV6410/6411/6500 STV0680B pinout information and package dimensions

Pin no. Signal Type Description Drive

100 D Q0 Input/Output SDRAM Data Bus

2 DQ15 Input/Out put SDRAM Data Bus

5 DQ14 Input/Out put SDRAM Data Bus

7 DQ13 Input/Out put SDRAM Data Bus

9 DQ12 Input/Out put SDRAM Data Bus

11 DQ11 Input/Output SDRAM Data Bus

13 DQ10 Input/Output SDRAM Data bus

15 DQ9 Input/Output SDRAM Data bus

17 DQ8 Input/Output SDRAM Data bus

LCD Interface

85 LCDCOM Output L CD Com m o n

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

93 LCD1_6 Output LCD digit 1 segment G

94 LCD1_5 Output LCD digit 1 segment F

95 LCD1_4 Output LCD digit 1 segment E

96 LCD1_3 Output LCD digit 1 segment D

97 LCD1_2 Output LCD digit 1 segment C

98 LCD1_1 Output LCD digit 1 segment B

99 LCD1_0 Output LCD digit 1 segment A

86 LCD2_6 Output LCD digit 2 segment G

87 LCD2_5 Output LCD digit 2 segment F

88 LCD2_4 Output LCD digit 2segment E

89 LCD2_3 Output LCD digit 2segment D

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

2mA
(SL)

Table 19 : STV0680B Pin listing

Version 3.4 43/63

STV0680B pinout information and package dimensions STV0680B+ VV6410/6411/6500

Pin no. Signal Type Description Drive

90 LCD2_2 Output LCD digit 2segment C

91 LCD2_1 Output LCD digit 2 segment B

92 LCD2_0 Output LCD digit 2 segment A

Piezo Interface

84 PIEZO Outpu t Direct connection to piezo buzzer

Battery Level Comparator Interface

80 LO_BAT Input (A)

79 LO_BAT_REF Input (A) 1.22V battery level comparator reference input

Battery level comparator input. The voltage on
rowboat is compared to the reference to determine
the battery status

Power and Ground

1, 27, 50,
56, 78

3, 29, 57,
83

52 PLLGVDD Po wer pin PLL Guard Power

DVSS[1-5] Power pin Digital Ground

DVDD[1-4] Power pin Digital Power

2mA
(SL)

2mA
(SL)

2mA
(SL)

8mA
(SL)

53 PLLGVSS Power pin PLL Guard Ground
54 PLLAVDD Power pin PLL Ana l ogue Power
55 PLLAVSS Power pin PLL A nalogue Ground

Non-user pins

45 TEST0 Input Non-user pin - connect to 3V3
46 TEST1 Input Non-user pin - connect to 3V3
47 TEST2 Input Non-user pin - connect to 3V3

Audio DAC

81 DACRES I(A) DAC bias amplifier reference input. See
82 DACOUT O (A) 8-bit DAC current source output. See

Note 2

Table 19 : STV0680B Pin listing

Note 2

.

. 0-10mA

44/63 Version 3.4

STV0680B+ VV6410/6411/6500 STV0680B pinout information and package dimensions

Key

SL slew rate limited output
OD open drain output
S Schmidt input
A Analogue input/output
T 5V tolerant pad (these pads do not have diode protection)

Note: 1 GPIO are not ‘general purpose’, in the sense that their function is predetermined (e.g. GPIO0 =

, GPIO2 is Unused), dependant on the STV0680B firmware.

MODE
2 Audio implementation is shown in an Applications Note available from ST.
3 Only with STV0680B-003. With STV0680B-001, tie low.
4 GPIO2, 4, 6, 7 MUST

required.

be tied low with STV0680B-003 where no Audio/Flashgun functionality is

Version 3.4 45/63

STV0680B pinout information and package dimensions STV0680B+ VV6410/6411/6500

8.2 STV0680B pin description

DQ0

LCD1_a

LCD1_b

LCD1_c

LCD1_d

LCD1_e

LCD1_f

LCD1_g

LCD2_a

LCD2_b

LCD2_c

LCD2_d

LCD2_e

LCD2_f

LCD2_g

LCDCOM

PIEZO

DVDD4

DACOUT

DACRES

99989796959493929190898887868584838281

100

80

DVSS1

DQ15

DVDD1

DQ1

DQ14

DQ2

DQ13

DQ3

DQ12

DQ4

DQ11

DQ5

DQ10

DQ6
DQ9
DQ7
DQ8

DQML

WE

DQMU

CAS

DCLK

RAS
CKE

CS

AD12

DVSS2

AD11

DVDD2

AD13

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

STV0680B

100QFP

LO_BAT

79

LO_BAT_REF

78

DVSS5

77

GPIO0 (MODE

76

GPIO1 (SHUTTER
GPIO2 (FL-EN)

75

GPIO3 (50/60)

74

GPIO4 (AUD-COMP)

73

GPIO5 (LED

72

GPIO6 (AMP_EN

71
70

GPIO7 (FL-TRIG
SENSPWR

69

SENSRST

68

SCLKO

67

QCLK

66

SD0

65

SD1

64
63

SD2
SD3

62

SDA

61
60

SCL
RXD

59

TXD

58

DVDD3

57

DVSS4

56

PLLAVSS

55

PLLAVDD

54
53

PLLGVSS
PLLGVDD

52

RESET

51

)

)

)

)

)

31323334353637383940414243444546474849

AD9

AD8

AD0

AD7

AD1

AD6

AD2

AD5

AD3

AD10

AD4

DATA+

USBDETECT

Figure 11 : STV0680B pinout in 100QFP package

46/63 Version 3.4

50

XIN

DATA-

TEST0

XOUT

TEST1

TEST2

DVSS3

STV0680B+ VV6410/6411/6500 STV0680B pinout information and package dimensions

8.3 STV0680B package dimensions

Note: Pin pitch is 0.65mm

Version 3.4 47/63

VV6410/6411 pinout information and package dimensions STV0680B + VV6410/6411/6500

9 VV6410/6411 pinout information and package

dimensions

9.1 VV6410/6411 pinout

D[1]

D[2]

D[3]

D[4]

LST/D[5]

FST/D[6]

CLKI

D[7]

24

25

26

27

28

29

30

31

VSSio

VSScore

RESETB

D[0]

VV6410/6411

NC

36LCC

18

NC

SRAMVSS

OEB

1516171920212223

SCL

14

13

12

11

10

9

8

7

SDA

PORB

SUSPEND

Vid3V3

AVSS

VDDhi

NC

NC

QCK

48/63 Version 3.4

32

33 34 35 36

VDDio

Reg3V3

VDDcore/

Figure 12 : 36 pin LCC package pin assignment

VBG

Vbase

Vbus

NC

Aud3V3

AIN

AoutN

6

54321

AoutP

STV0680B + VV6410/6411/6500 VV6410/6411 pinout information and package dimensions

9.2 VV6410/6411 pin description

Name Pin Number Type Description

Power supplies

AVSS 10 GND Core analogue ground and reference supplies.
SRAMVSS 17 GND In-column SRAM anal o gue ground.
VDDcore/

Reg3V3
VDDio 33 PWR Digital pad ring power.
VSScore 22 GND Digital logic ground.
VSSio 23 GND Digital pad ring ground.

34 PWR Digital logic power.

Analogue signals

VBG 1 OA In ternally genera ted bandgap referen c e vo l t ag e 1.22V
AIN 4 IA Analogue inp ut to Audio Amplifier
AOutP 5 OA Analogue output of Audio Amplifie r (positive)
AOutN 6 OA Analogue output of Audio Amplifier (negativ e)
VDDHI 9 IA Incoming power supply 4 -> 6V
VBase 35 OA Drive for base of external bipolar
Vbus 36 IA Incoming power supply 3.3 -> 6V
Aud3V3 3 OA On-chip Audio Amplifier Voltage Regulator Output
Vid3V3 11 OA On-chip Video Supply Voltage Regulator Output
PORB 13 OD Power-on Reset (Bar) Output.

Digital video interface

D[4]
D[3]
D[2]
D[1]
D[0]

QCK 32 ODT Tri-stateable data qualification clock.
LST/D[5] 28 ODT Tri-stateable Line start output

FST/D[6] 29 ODT Tri-sta teable Frame start signal.

D[7] 31 ODT Tri-stateable Data wire (ms data bit).

OEB 16 ID↓ Digital output (tri-state) enable.

27
26
25
24
20

ODT Tri-stateable 5-wire output data bus.

- D[4] is the most significant bit.

- D[4:0] have programmable driv e s trengths 2, 4 and 6 mA

May be configured as tri-stateable output data bit 5 D[5].

May be configured as tri-stateable output data bit 6 D[6].

May be configured as tri-stateable output data bit 6 D[6].

Table 20 : VV6410 pin description

Version 3.4 49/63

VV6410/6411 pinout information and package dimensions STV0680B + VV6410/6411/6500

Name Pin Number Type Description

Digital control signals

RESETB 2 1 ID↑ System Reset. Active Low.

May be configured as System Sync. Active Low.

SUSPEND 1 2 ID↑ USB Suspend Mode Control signal. Active High

If this feature is no t r eq uir ed th en the support circuit must pull the pin to
ground. The co m bi nation of an active hi gh signal and pull up pad was
chosen to limit current drawn by the device while in suspend mode.

Serial interface

SCL 15 BI↑ Serial bus clock (input only).
SDA 14 BI↑ Serial bus data (bidirectional, open drain).

System clocks

CLKI 30 ID↓ Schmitt Buffered Clock input or LVDS positive Clock in put

Not connected

NC 2, 7, 8, 18, 19 Not connected

Table 20 : VV6410 pin description

Key

A Analogue Inpu t D Digital Input
OA Analogue Output ID↑ Digital input with internal pull-up
BI Bidirectional ID↓ Digital input with internal pull-down
BI↑ Bid irectional with internal pull-up OD Digital Output
BI↓ Bid irectional with internal pull-down ODT Tri-stateable Digital Output

Note: 1 Early VV6410/6411 pre-production samples were 48LCC, however the sampling and production

package is 36LCC.

50/63 Version 3.4

STV0680B + VV6410/6411/6500 VV6410/6411 pinout information and package dimensions

9.3 VV6410/6411 package dimensions

(36pin LCC).

A

0.08

10.668 SQ.

8.636 SQ. ±0.1 3

7.366 SQ. ±0.13

5

6

)

2

(0.

3.937 REF.

TYP.

14

15

Ty

+0.2

-0.13

0.571±0.05

0.546 ±0.05

0.55 ±0.05

1

30

.

p

(CO.2)

Pin n°1

0.7366
Typ.

33

32

24

23

0.178 Max.

B/F Pull Back

0.08

-A-

1.549 ±0.16

0.432 ±0.05

Figure 13 : VV6410/6411 36LCC Package Detail

Note: 1 Die is optically centred

2 Refractive Index of Glass is approx. 1.52

Version 3.4 51/63

VV6410/6411 pinout information and package dimensions STV0680B + VV6410/6411/6500

.

8.128 ±0.13

1.016 typ.

32

24

23

33

Pin n°1

INDEX

36

0.508
Typ.

1

T

YP.

6

TYP.

14

0.889 REF.

R 0.15 REF
36 PLCS

R 0.15 REF.
4 CORNERS

0

.

508

R

E

F

15

Figure 14 : VV6410/6411 36LCC Package Detail

Note: 1 Die is optically centred

2 Refractive Index of Glass is approx. 1.52

52/63 Version 3.4

STV0680B+ VV6410/6411/6500 VV6500 pinout information and package dimensions

10 VV6500 pinout information and package dimensions

10.1 VV6500 pinout

NC

VSSIO

VSSCORE

NC

NC

NC

NC

NC

NC

NC

SRAMVSS

OE

RESET

D[0]

D[1]

D[2]

D[3]

D[4]

LST/D[5]

FST/D[6]

CLKI/CLKIP

CLKIN

D[7]

QCK

31

32

33

34

35

36

37

38

39

40

41

42

30

43

VV6500
48LCC

1920212223242526272829

18

SCL
SDA

17

16

POR

15

SUSPEND

NC

14

NC

13

VID3V3

12

AVSS

11

NC

10

VDDHI

9

NC

8

NC

7

543214847464544

6

VBG

NC

NC

VDDIO

Figure 15 : 48 pin LCC package pin assignment

VBASE

VDDCORE/REG3V3

NC

VBUS

Version 3.4 53/63

AUD3V3

AIN

AOUTP

AOUTN

VV6500 pinout information and package dimensions STV0680B+ VV6410/6411/6500

10.2 VV6500 pin description

Name Pin Number Type Description

Power supplies

AVSS 11 GND Core analogue ground and reference supplies.
SRAMVSS 21 GND In-col umn SRAM analogue ground.
VDDio 43 PWR Digital pad ring power.
VSScore 29 GND Digital logic ground.
VSSio 30 GND Digital pad ring ground.
SRAMVSS 21 GND In-col umn SRAM analogue ground.

Analogue signals

VBG 1 OA In ternally generated bandgap ref e rence voltage 1.22V
AIN 4 IA Analogue input to Audio Amplifier
AOutP 5 OA Analogue output of Audio Amplifier (positive)
AOutN 6 OA Analogue output of Audio Amplifier (negative)
VDDHI 9 IA Incoming power supply 4 -> 6V
VBase 46 OA Drive for base of external bipolar
Vbus 47 IA Incoming powe r supply 3.3 -> 6V
VDDCORE/

REG3V3
ARef IA On-chip Au di o Amplifier Refe rence Input
Aud3V3 3 OA On-chip Audio Amplifier Voltage Regulator Output
Vid3V3 12 OA On-chip Video Supply Voltage Regu l at or Output
PORB 16 OA Power-on Reset (Bar ) Output.

45 OA On-c hi p Voltage Regulator Output

Table 21 : VV6500 pin description

54/63 Version 3.4

STV0680B+ VV6410/6411/6500 VV6500 pinout information and package dimensions

Name Pin Number Type Description

Digital video interface

D[4]
D[3]
D[2]
D[1]
D[0]

QCK 42 ODT Tri-stateable data qualification clock.
CLKIN 40 BI↑ LVDS negat i ve Clock input
LST/D[5] 37 ODT Tri-stateable Line start output

FST/D[6] 38 ODT Tri-sta teable Frame start signal.

D[7] 41 ODT Tri-stateable Data wire (ms data bit).

OEB 20 ID↓ Digital output (tri-state) enable.

36
35
34
33
32

ODT Tri-stateable 5-wire output data bus.

- D[4] is the most significant bit.

- D[4:0] have programmable driv e s trengths 2, 4 and 6 mA

May be configured as tri-stateable output data bit 5 D[5].

May be configured as tri-stateable output data bit 6 D[6].

May be configured as tri-stateable output data bit 6 D[6].

Digital control signals

RESETB 3 1 ID↑ System Reset. Active Low.

May be configured as System Sync. Active Low.

SUSPEND 3 1 ID↑ USB Suspend Mode Control signal. Active High

If this feature is no t r eq uir ed th en the support circuit must pull the pin to
ground. The co m bi nation of an active hi gh signal and pull up pad was
chosen to limit current drawn by the device while in suspend mode.

Serial interface

SCL 18 BI↑ Serial bus clock (input only).
SDA 17 BI↑ Serial bus data (bidirectional, open drain).

System clocks

CLKI/CLKIP 39 ID↓ Schmitt Buffered Clock input or LVDS positive Clock input

Not connected

NC 2, 7, 8, 10,13,

14, 19, 22-28,
48

Not connected

Table 21 : VV6500 pin description

Key

A Analogue Inpu t D Digital Input
OA Analogue Output ID↑ Digital input with internal pull-up
BI Bidirectional ID↓ Digital input with internal pull-down
BI↑ Bid irectional with internal pull-up OD Digital Output
BI↓ Bid irectional with internal pull-down ODT Tri-stateable Digital Output

Version 3.4 55/63

VV6500 pinout information and package dimensions STV0680B+ VV6410/6411/6500

10.3 VV6500 package dimensions

(48 pin LCC)

0.33 min.

B/F EXPOSURE

12.014 ±0.13

10.490 ±0.13

31

42

42

31

30

43

30

0

8

.4

ty

0

5

.

0

14.22 SQ

.

p

0.20
Typ.

+0.30

.

-0.13

11.414 ±0.13

9.89 ±0.13

0

.2

0

ty

p

.

0.20 ref. x 45°
Pin n°1

48

1

19

0.08A

0.571±0.050

0.546 ±0.050

19

MP-2
MP-3

18

7

6

0.08

-A-

1.549 ±0.16

0.432 ±0.050

43

5.20 Ref.
Typ.

48

1

6

0.13 Typ.

B/Fpull back

Figure 16 : VV6500 Package details

0.0217±0.002
(0.55 ±0.05 )

56/63 Version 3.4

STV0680B+ VV6410/6411/6500 VV6500 pinout information and package dimensions

+0.25

1.52

-0.13

Typ.

1.02 ±0.18
Typ.

19

11.016 ±0.08
typ.

11.176 ±0.13
Typ.

30

R0.15 REF.

4 CORNERS

18

Pin n°1

Index

diam. 0.51

7

6

R0.15 REF.

48 PLCS

Figure 17 : VV6500 Package details

48

0.254

43

31

Note: 1 Die is optically centred

2 Refractive Index of Glass is approx. 1.52

Version 3.4 57/63

Schematics and example parts list STV0680B + VV6410/6411/6500

11 Schematics and example parts list

11.1 Schematics

Support schematics are shown in the following documents:

● STV0680+VV6444 Reference Design Manual

● STV0680B+VV6410/6411/6500 Reference Design Manual

Both are available in the OEM section of the ST Imaging Division web site

http://www.st.com (click on “Imaging Products”)

An example parts list is sho wn in
for the most up-to-date information.

11.2 Example parts list

The following is taken from STV0680B + VV6410/6411/6500 Ref Design Manual Rev 2.2. Audio
and Flashgun hardware are not included.

Assuming VV6410/6411 camera with power supply “option1”, 16MBit SDRAM and 6V battery, with
USB and RS232, non-populated options are shown with a grey background.

# Qty Refdes Device Package Value Notes

1 1 B1 Battery
2 1 C23 CAP 805 100N

C2,C7, C8,
C10, C1 1,
C12, c13,
C14, C17,

320

4 2 C40, C41 CAP 805 100N C40-41: option 2 only
5 2 C5, C6 CAP 8 05 22P
6 2 C15, C16 CAP 805 1U
7 2 C19, C26 CAP 805 220P
8 1 C22 CAP 805 220N
9 2 C34, C35 ECAP T/H 10U

10 1 C38 ECAP T/H 10U C38: option 2 only
11 1 D1 1N4001 D041 1N4001

12 1 D1 Schottky D041 Schottky
13 1 D2 Diode SOT23 BAS116 Must be low leakage

14 2 D3,D4 Diode SOT23 BAS16 Only for RS232
15 3 F1, F2, F3 Ferrite 805

16 1 J1 USB_CON CON-USB-4 P_TYPE_B

C18, C24,
C25, C27,
C28, C29,
C30, C31,
C32, C33,
C37

Section 11.2

CAP 805 100N

, however the above documents should be referred to

Up to 6V, or up to 9V with different
schematic

Gen. purpose if 4 x A4 or AA
batteries

Only use Schottky if 3 x AA or AAA
batteries

May be required for FCC
compliance

See notes. Consult USB spec for
USB compliance

Table 22 : STV0680B + VV6410/6411/6500 - Parts list

58/63 Version 3.4

STV0680B + VV6410/6411/6500 Schematics and example parts list

# Qty Refdes Device Pac kage Value Notes

17 1 J2 JACK_SKT SCJ-0355- B Only for RS232
18 1 LCD1 2DIGITLC

19 1 LED1 LED 2PINTHRU
20 1 Q1 NPN SOT23 BC848

21 2 Q2, Q3 NPN SOT23 BC848
22 1 Q4 NPN SOT23
23 1 Q5 PNP SOT23 BCW61 For USB inrush protect io n
24 1 Q6 PNP SOT23 Only for RS232
25 1 Q8 SI2301DS SOT23 For USB inrush protection
26 1 Q9 SI2301DS SOT23
27 1 Q10 SI2301DS SOT23

28 1 Q12 SI2301DS SOT23
29 1 R1 RES 805 220K
30 1 R72 RES 805 220K

27 1 R2 RES 805 1R2 R2 for USB inrush pr ot ection
28 2 R9, R55 RES 805 100K
29 1 R54 RES 805 100K R54: option 1 only

30 1 R59 RES 805 100K
31 1 R12 RES 805 100K R12 for USB inrush protection

32 5

33 1 R71 RES 805 1M
34 1 R7 RES 805 470K

35 1 R8 RES 805 82K
36 1 R11 RES 805 330K Suggested val ue for 6V battery
36 1 R11 RES 805 510K Suggested value for 4.5V battery

36 1 R11 RES 805
36 1 R66 RES 805 0R
37 1 R6 RES 805 0R

38 3
39 1 R65 RES 805 0R Only for camera with no RS232
40 4
41 1 R17 RES 805 33R

42 2 R19, R20 RES 805 24R
43 1 R22 RES 805 120K

44 5

45 6

46 2 R28, R29 RES 805 330K
47 1 R41 RES 805 10K
48 1 R30 RES 805 2K2

r10, R13,
R14, R16,
R23

R37, R61,
R66

R43, R44,
R62, R63

R24, R67,
R68, R69,
R70

R25, R31,
R32, R33,
R34, R35

RES 805 1M

RES 805 0R R37, R61, R66: option 2 only

RES 805 0R

RES 805 0R R24: only fit for 60Hz flicker select

RES 805 10K

Could be omitted for reduced
current cons.

Only for optio n 2. Switches sensor
off in standby mode

R72 only req’d for RS232 camera
with USB test points

R59 only re’qed for RS232 camera
with USB test points

Only for RS232 camera
USB for production test

Suggested value for 9V battery
(different schematic)

Only fit if no USB inrush protection
required

R43, R44: option 1 only
R62, R63: option 1 only

R25: R24: only fit for 50Hz flicker
select
R31-R35: only for RS232

without

Table 22 : STV0680B + VV6410/6411/6500 - Parts list

Version 3.4 59/63

Schematics and example parts list STV0680B + VV6410/6411/6500

# Qty Refdes Device Package Value Notes

49 1 R21 RES 805 1K5
50 1 R64 RES 805 1K5
51 1 R36 RES 805 680R Value depends on LED1 type

52 2 R39, R40 RES 805 4K7
53 1 R50 RES 805 390R

54 1 SW1 TOGGLE_S SWITCH
55 2 SW2, SW3 PUSH_SWI TC FARNEL 58 Push button switches

56 1 SW4 TOGGLE_S SWITCH

57 1 T1 PIEZO FARNELL_9 26

58 6

59 1 U2 VV6500 48LCC

60 1 U3 STV0680B 100QFP

61 1 U4 GM72V661 64 400MIL_OP

62 1 U5 GM72V161 62 400MIL_OP

63 1 U6 VV6410 36LCC

64 1 U8

65 1 U10 5VREG SOT89-5

66 1 U11 3V3REG SOT89
67 1 X1 XTAL HC49U 12MHz

68 1 Lens Lens with IR fil ter

Total 131

TP1, TP2,
TP3, TP4,
TP5, TP6

TESTPOINT TP

Power-on­reset chip

SOT23 2.7-2.9 3V

XC62HR500
2

MC78FC33H
T1

Only for RS232 camera
USB for production test

Optional battery off switch when not
in use (would los e store images)

Only required for user selection of
flicker frequency (see alternate
schematic and explanatory notes)

Only required fo r RS232 camera
with USB production Test (lens
focusing)

VGA sensor (different footprint to
VV6410)

Only require U2 or U6
STV0680 or STV0680A also
suitable

SDRAM dual footprint is possible for
U4 and U5

Preferred SDRAM has low self
refresh Idd. e.g. (16Mbit)
LG semicon: GM72V16162ET75
Hyundai: HY57V161610DTC-7
Micron: MT48LC1M16A1TG S
Samsung: KM416S11200T-G10

CIF sensor (different footprint to
VV6500) only require U2 or U6

U8 only for option 2
e.g. MAXIM MAX809SEURT

(2v93 threshold)
TELCOM TCM809SENB

(2v93 threshold)
DALLAS DS1233 (SOT223)

U10 only required for 9V battery

U11 only for option2

without

Table 22 : STV0680B + VV6410/6411/6500 - Parts list

Note: Not all compatible memory chips exhibit a low enough self-refresh current to meet the target

current for USB suspend mode (see Table 17). Two memory types have been suggested in Table

18, based on limited evaluation by ST, however this does not constitute a full characterisation, and

no guarantees can be made that the self-refresh current consumption will match the target for USB
suspend mode in all cases. Please consult the memory manufacturer

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STV0680B + VV6410/6411/6500 Evaluation Kit and Reference design manual

12 Evaluation Kit and Reference design manual

STMicroelectronics recommends using the Evaluation Kit for initial evaluation and design-in.
Both evaluation kits (STV-DCA/CIF-E04 and STV-DCA/VGA-E04) now include audio record and

playback circuitry as well as flashgun interface circuitry and a flash gun hotshoe connector (t o allow
the OEM to use a standard camera flashgun ), a llowin g the new features as w ell as the existi ng f ea­tures to be demonstrated.

Also included are a STV0680B + CMOS sensor chipset, memory, lens, connectors, LCD, battery
holder, push buttons/switches, and other components as detailed. Optional PCB links enable alter­nate functionality , and demonstra tion software is in cluded, allowing for teth ered video, upload to the
PC of pictures, sounds, and AVI movie clips, and download to the camera of custom sounds.

A reference design manual is available, giving the camera designer everything req uired to design a
complete camera with standard features. It includes schematics, explanatory notes, parts list and
layout advice. Audio and flashgun hardware are the subject of separate appl ications notes, contact
ST for details.

12.1 Ordering details

Description Part number

36pin LCC, CIF CMOS sensor

48pin LCC, VGA CMOS sens or VV6500C001

Standard features

STV0680B companion processor STV0680B-001
Evaluation Kit for STV0680B+VV6410 STV-DCA/CIF-E01
Evaluation Kit for STV0680B+VV6500 STV-DCA/VGA-E01

“Standard” + “New” features: Including Audio, Custom sounds, and Flashgun

STV0680B companion process or STV0680B-003
Evaluation Kit for STV0680B+VV6410 STV-DCA/CIF-E04
Evaluation Kit for STV0680B+VV6500 STV-DCA/VGA-E04

Table 23 : Ordering details for the STV0680B + VV6410/6411/6500

VV6410C036
VV6411C036

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Evaluation Kit and Reference design manual STV0680B + VV6410/6411/6500

12.2 Technical support

Technical support information, such as datasheets, software downloads,etc, for products of the
STMicroelectronics Imaging Division can be found at http://www.vvl.co.uk/ or www.st.com (click
on Imaging products)

General sales/technical enquiries can be directed to regional email contacts:
[e-mail]

[e-mail]
[e-mail]
[e-mail]
[e-mail]
[e-mail]
[e-mail]
[e-mail]

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STV0680B + VV6410/6411/6500

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences

of use of such informa tion nor for any infring ement of patents or oth er rights of third partie s which may result from its use. No license is
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.

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