Datasheet STV6411A Datasheet (SGS Thomson Microelectronics)

.

I2C BUS CONTROL

.

STANDBY MODE

VIDEO SECTION

.

4 CVBS INPUTS, 3 CVBS OUTPUTS (ONE WITH
SELECT ABLE CHROMA TRAP FILTER)

.

4 Y/C INPUTS, 2 Y/C OUTPUTS

.

6dB GAIN ON ALL CVBS/Y AND C OUTPUTS

.

1 Y/C ADDER

.

2 RGB/FB INPUTS, 1 RGB/FB OUTPUT WITH
6dB AD JUST AB L E G AIN

.

VIDEO MUTING ON ALL THE OUTPUTS

.

2 SLOW BLANKING INPUTS/OUTPUTS

.

SYNC BOTTOM CLAMP ON ALL CVBS/Y
AND RGB INPUTS, AVERAGE ON C INPUTS

.

BANDWIDTH : 15MHz

.

CROSSTALK : 60dB Typ.

STV6411A

AUDIO/VIDEO SWITCH MATRIX

AUDIO SECTION

.

4 STEREO INPUTS, 3 STEREO OUTPUTS
(TWO WITH LEVEL ADJUS TM E N T )

.

MONO SOUND OUTPUT

.

STEREO TO MONO CAPABILITY ON BOTH
SCARTS

.

AUDIO MUTING ON ALL THE OUTPUTS

DESCRIPTION

The STV6411A is a highly integrated I2C bus-con­trolled aud io and vid eo sw it c h ma trix , opt im iz ed for
use in dig ital set-top bo x app licatio ns. I t prov ides all
the audio and video routings required in a full two
scart set- top box des ign. It is also fully pin compa t­ible with S TV 6410A, the three sc ar t ver sion.

TQFP64 (10 x 10 x 1.4mm)

(Full Plastic Quad Flat Pack)

ORDER CODE : STV6411AD

December 1998

1/20

STV6411A

PIN CONNECTIONS

FBOUT_TV

FBIN_VCR (see Note 1)

FBIN_ENC

ADD

SCL
SDA
V

CC12

NC

SLB_TV

NC

SLB_VCR

RIN_VCR (see Note 1)

GNDV1

GIN_VCR (see Note 1)

NC

BIN_VCR (see Note 1)

Note 1 :

Pins (xx_VCR) identified as xx_AUX in STV6410 A.

CC2

V

NC

16151413121110

17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32

333435363738394041424344454647

CC1

V

CVBSIN_STB

CC3

NC

GNDV2

V

NC

NC

YCVBSIN_ENC

NC

YCVBSOUT_VCR

AOUT_RF

VOUT_RF

GNDV3

FILTER

987654321

LIN_STB

RIN_STB

YIN_ENC

CIN_ENC

RCIN_ENC

RIN_ENC

YCVBSOUT_TV

NC

COUT_VCR

LIN_ENC

BIN_ENC

GIN_ENC

RCOUT_TV

LOUT_TV

64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49

48

RIN_VCR

CIN_VCR

ROUT_TV
GOUT_TV
LOUT_VCR
BOUT_TV
ROUT_VCR
LOUT_CINCH
ROUT_CINCH
GNDA
RIN_TV
V

CCA

CIN_TV
LIN_TV
YCVBSIN_TV
V

REF

YCVBSIN_VCR
LIN_VCR

6411A-01.EPS

PIN LIST

Pin Number Symbol Description

1 RCOUT_TV Red/chroma Output, to TV Scart
2 LOUT_TV Audio Left Output, to TV Scart
3 YCVBSOUT_TV Y/CVBS Output, to TV scart
4 NC Not Connected
5 COUT_VCR Chroma Output, to VCR Scart
6 NC Not Connected
7 YCVBSOUT_VCR Y/CVBS Output, to VCR Scart
8 AOUT_RF Audio (L+R) Output to RF Modulator

9 VOUT_RF Video (CVBS) Output to RF Modulator
10 GNDV3 Video Switches Ground 3
11 FILTER Chroma Trap Filter
12 V

CCV3

13 NC Not Connected
14 GNDV2 Video Switches Ground 2
15 NC Not Connected
16 V

CCV2

2/20

Video Switches Supply 3 (8V)

Video Switches Supply 2 (8V)

6411A-01.TBL

STV6411A

PIN LIST

(continued)

Pin Number Symbol Description

17 FBOUT_TV Fast Blanking Output, to TV Scart
18 FBIN_VCR (see Note 1) Fast Blanking Input, from VCR Scart
19 FBIN_ENC Fast Blanking Input, from Encoder

2

20 ADD I
21 SCL I
22 SDA I
23 V

CC12

C Bus IC Address Programmation

2

C Bus Clock

2

C Bus Data

Slow Blanking Power Supply (12V)
24 NC Not Connected
25 SLB_TV Slow Blanking Input/Ouput from TV
26 NC Not Connected
27 SLB_VCR Slow Blanking Input/Ouput from VCR
28 RIN_VCR (see Note 1) Red Input, from VCR Scart
29 GNDV1 Video Switches Ground 1
30 GIN_VCR (see Note 1) Green Input, from VCR Scart
31 NC Not Connected
32 BIN_VCR (see Note 1) Blue Input, from VCR Scart
33 V

CCV1

Video Switches Supply 1 (8V)
34 CVBSIN_STB CVBS Input from STB
35 NC Not Connected
36 YCVBSIN_ENC Y/CVBS Input from Encoder
37 NC Not Connected
38 YIN_ENC Y Input, from Encoder
39 RIN_STB Audio Right Input, from STB
40 CIN_ENC Chroma Input, from Encoder
41 LIN_STB Audio Left Input, from STB
42 RCIN_ENC Red/Chroma Input, from Encoder
43 RIN_ENC Audio Right Input, from Encoder
44 GIN_ENC Green Input, from Encoder
45 LIN_ENC Audio Left Input, from Encoder
46 BIN_ENC Blue Input, from Encoder
47 RIN_VCR Audio Right Input, from VCR Scart
48 CIN_VCR Chroma Input, from VCR Scart
49 LIN_VCR Audio Left Input, from VCR
50 YCVBSIN_VCR Y/CVBS Input from VCR Scart
51 V

REF

Voltage Reference Decoupling
52 YCVBSIN_TV Y/CVBS Input, from TV Scart
53 LIN_TV Audio Left Input, from TV Scart
54 CIN_TV Chroma Input, from TV Scart
55 V

CCA

Audio Switches Supply (8V)
56 RIN_TV Audio right input, from TV Scart
57 GNDA Audio Switches Ground
58 ROUT_CINCH Audio Right Output, to CINCH
59 LOUT_CINCH Audio Left Output, to CINCH
60 ROUT_VCR Audio Right Output, to VCR sCart
61 BOUT_TV Blue Output, to TV Scart
62 LOUT_VCR Audio Left Output, to VCR Scart
63 GOUT_TV Green Output, to TV Scart
64 ROUT_TV Audio Right Output, to TV Scart

Notes :

1. Pins (xx_VCR) identified as xx_AUX in STV6410A.

2. In application, all unused pins should be left open or high frequency bypass ed to ground.

6411A-01.TBL

3/20

STV6411A

BLOCK DIAGRAM

FBIN_ENC
FBIN_VCR

(see Note 1)

BIN_ENC
BIN_VCR

(see Note 1)

GIN_ENC
GIN_VCR

(see Note 1)

RCIN_ENC

RIN_VCR

(see Note 1)

CIN_ENC
CIN_VCR

CIN_TV

19
18
46
32
44
30
42
28
40
48

54

4V
0V

B_ENC

B_ENC
B_VCR
G_ENC
G_VCR
R/C_ENC
R_VCR
MUTE

R/C_ENC
C_ENC
C_VCR
MUTE

CVBS/Y_ENC
CVBS/Y_VCR
CVBS_STB
Y_ENC
MUTE

R/C_ENC
C_ENC
C_TV
MUTE

FB SWITCH

RGB SWITCH

C SWITCH

Y/CVBS SWITCH

C SWITCH

17

FBOUT_TV

6dB

6dB

6dB

6dB

TRAP

6dB

6dB

61

BOUT_TV

63

GOUT_TV

1

RCOUT_TV

9

VOUT_RF

11

FILTER

3

YCVBS/OUT_TV

5

COUT_VCR

7

YCVBSOUT_VCR

CVBSIN_STB

YCVBSIN_ENC

YCVBSIN_TV

YCVBSIN_VCR

YIN_ENC

LIN_ENC
LIN_STB

LIN_TV

LIN_VCR

RIN_TV

RIN_STB
RIN_ENC
RIN_VCR

Note 1 :

Pins (xx_VCR) identified as xx_AUX in STV6410 A.

34
36
52
50
38

45
41
53
49

56
39

43
47

L_ENC
L_STB
L_TV

R_ENC
R_STB
R_TV
MUTE

L_ENC
L_STB
L_VCR

R_VCR
R_STB
R_ENC
MUTE

CVBS_STB
CVBS/Y_ENC
CVBS/Y_TV
Y_ENC
MUTE

VCR SWITCH

TV SWITCH

Y/CVBS SWITCH

-14dB

-14dB

25

SLOW BLANK,

I/O MONITOR

6dB

I2C BUS

DECODER

0/6dB

0/6dB

SLB_TV

27

SLB_VCR

21

SCL

22

SDA

59

LOUT_CINCH

58

ROUT_CINCH

62

LOUT_VCR

STEREO/

MONO

60

ROUT_VCR

8

AOUT_RF

0/6dB

STEREO/

MONO

0/6dB

2

64

LOUT_TV

ROUT_TV

STV6411A

6411A-02.EPS

4/20

STV6411A

ABSOLUTE MAXIMUM RATINGS

Symbol Parameter Value Unit

AV

,VVCCSupply Voltage for Audio and Video Sections 10 V

CC

V

V

CC12

V

SLBK

VESD Maximum ESD Voltage allowed (100pF capacitor discharged

T

oper

T

stg

THERMAL DATA

Symbol Parameter Value Unit

R

th (j-a)

ELECTRICAL CHARACTERI STICS

= 25° C, AVCC = VVCC = 8V, V

T

amb

unless otherwise specified.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

AV

CC

VV

CC

V

CC12

ACTIVE (all channels ON)

I

CCA

I

CCV

I

CC12

STANDBY (all channels OFF)

I

CCAstd

I

CCVstd

Voltage at Pin i to GND. Except SDA, SCL at 5.5V Max. 0, V

I

CC

Supply Voltage for Slow Blanking Sections 13.2 V
Voltage at slow blanking pins to GND 0, V

CC12

± 4kV

through 1.5kΩ serial resistor - Human Body Model)
Operating Ambient Temperature 0, +70
Storage Temperature -20, +150

Junction-ambient Thermal Resistance Max. 68

CC12

= 12V, R

= 10kΩ, RGA = 600Ω, RGV = 50Ω, R

LOUTA

LOUTV

Audio Operating Supply Voltage 7.5 8 8.5 V
Video Operating Supply Voltage 7.5 8 8.5 V
Slow Blanking Control Supply Voltage 11.2 12 12.8 V

Audio Supply Current AVCC = 8V, no input signal 10 15 mA
Video Supply Curr ent (I
12V Supply Current V

CCV1

+ I

CCV2

+ I

)VVCC = 8V, no input signal 65 80 mA

CCV3

= 12V

CC12

SlBlk input mode
SlBlk output mode, no load

2.023µAmA

0

Audio Supply Current in stand by mode AVCC = 8V 1.2 mA
Video Supply Current in stand by mode

(I

+ I

+ I

CCV1

CCV2

CCV3

)

VV

= 8V 9 mA

CC

o

= 4.7kΩ,

V

V

o

C

o

C

C/W

6411A-02.TBL

6411A-03.TBL

6411A-04.TBL

5/20

STV6411A

ELECTRICAL CHARACTERI STICS

= 25°C, A VCC = VVCC = 8V, V

T

amb

(continued)

= 12V , R

CC12

= 10kΩ, RGA = 600Ω, RGV = 50Ω, R

LOUTA

LOUTV

= 4.7kΩ,

unless otherwise specified.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

AUDIO SECTION

SVR100 Supply Voltage Rejection V

SVR1K Supply Voltage Rejection V

V
V

R

INmatch

F

INDC
INAC

R

range

Input DC Level AVCC = 8V VCC/2 V
Input signal amplitude 2V
Input Resistance 45 55 kΩ

IN

Input resistance matching ±1 ±10 %
Bandwith -3dB , 0.5V

Flatness Spread of gain in audio band 0.5V

Cs Channel Separation (from audio inputs)

= 500mV

RIPPLE

Gain = 0dB,

filter cap = 47µF

V

REF

V

filter cap = 220µF

REF

= 500mV

RIPPLE

Gain = 0dB

RMS

, 20Hz to 20kHz, Gain = 0dB 0.5 dB

RMS

= 0.5V

V

IN

RL =10kΩ, Gain = 0dB

RMS

Between L &R of TV outputs

Ci Channel Isolation from video inputs V

V
V

R

Output DC Level AVCC = 8V VCC/2 V

OUT

DC Offset change Switching between inputs 1 ±15 mV

OFF

Output Resistance 60 Ω

OUT

= 1 VPP, f = 15kHz, on one input,

IN

RL = 10kΩ, Gain = 0dB

eNI Equivalent Input Voltage Noise BW = 20Hz, 20kHz, Gain = 0dB 5 µV

G0 0dB Gain 0.5V

G

G

MATCH1

G

MATCH2

STEP

Step of Gain -14dB to +6dB 1.75 2 2.25 dB
Gain matching be tween different inputs

on one output
Gain matching between Left/Right

outputs of one input channel

VIN = 0.5V

VIN = 0.5V

, RL = 10kΩ, Gain = 0dB -0.5 +0.5 dB

RMS

RMS

RMS

THD Total Harmonic Distorsion 1kHz, LPF @ 80kHz

= V

= 0.5V

OUT

= 2V

OUT

, THD = 0.3%, Gain = 0dB 2 2.25 kΩ

RMS

RMS

V

R

Output clipping Level THD = 0.2%, 1kHz 2.1 2.25 V

CL

Output Load Resistance VIN = 1V

L

Mute Mute Suppression V

V

IN

VIN = V

= 0.5V

IN

at f = 100Hz,

RMS

60 72

82

at f = 1kHz,

RMS

70 80 dB

, RL = 10kΩ, Gain = 0dB 50 kHz

, f = 1kHz, on on e input,

807090

74

70 85 dB

, 1kHz, Gain = 0dB -0.5 0.5 dB

, 1kHz, Gain = 0dB -0.5 0.5 dB

RMS

RMS

0.002

0.003

0.05 %

, on one input 90 dB

dB
dB

RMS

dB
dB

%

RMS

6411A-05.TBL

6/20

STV6411A

ELECTRICAL CHARACTERI STICS

= 25°C, A VCC = VVCC = 8V, V

T

amb

(continued)

= 12V , R

CC12

= 10kΩ, RGA = 600Ω, RGV = 50Ω, R

LOUTA

LOUTV

= 4.7kΩ,

unless otherwise specified.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

VIDEO SECTION

V

DCIN

I

CLAMP

I

LEAK

C

IN

V

IN

DYN Dynamic Output Signal VVCC = 8V 3 4 V

BW Bandwidth at -3dB Y/CVBS

CT Crosstalk Isolation between Channels V

R

OUT

R

LOAD

G

RGB

G

RGBM

G

RGBSTEP

G

YCVBS

G

YCVBSM

DC

OUT

DC

OUT RF

DPHI Differential Phase V

DG Differential Gain V

Mute Mute Suppression V

I

VOUT

CHROMA SECTION

V

DCIN

R

IN

C

IN

V

IN

Dyn Dynamic Output Signal 3 3.8 V

DC

OUT

CBW Chroma Bandwidth C

CT Crosstalk Isolation between channel V

R

OUT

G

OUTC

G

CM

Mute Mute Suppression V

CtoYdel Chroma to luma delay, source Y/C Pin other than RF_OUT 1,

CtoYdel Chroma to luma delay, source Y/C Pin RF_OUT ±4 ±20 ns

DC Input Level Bottom Synch Pulse 2 V
Clamping current at V
Input Leakage Current VIN = V

- 400mV 1 2 mA

DCIN

+ 1V 1 10 µA

DCIN

Input Capacitance 2 pF
Max Input Signal VVCC = 8V 1.5 2 V

15
RGB
Y/C mixer (on RF out)

VIN = 1V
VIN = 1VP
V

on one input

PP

P

= 1VPP, V

INY

= 1VPP at f = 5MHz,

IN

INC

= muted

18

15

18

10

15

50 60 dB

Output Resistance 50 Ω
Load Impedance 1 4.7 ∞ kΩ
Gain at RGB outputs VIN = 1VPP, gain set to 6dB 5.5 6 6.5 dB
Gain matching between R, G, B VIN = 1VPP, gain set to 6dB -0.3 0 0.3 dB
Step of Gain 3dB to 6dB 0.75 1 1.25 dB
Gain on Y/CVBS channels VIN = 1V
Gain matching between Y, CVBS inputs VIN = 1V

PP
PP

5.5 6 6.5 dB

-0.5 0 0.5 dB
DC Output Voltage Bottom sync pulse 1.1 1.3 V
RF Output Voltage Bottom sync pulse 1.5 1.8 V

= 1VPP, 4.43MHz 0.7 °

IN

= 1VPP, 4.43MHz 0.4 %

IN

Output Current V

= 1VPP at f = 5MHz,

IN

on one input

@ +1V 1.5 2.5 mA

OUT DC

-55 dB

DC Input Level 3 V
Input Resistance 45 55 kΩ
Input Capacitance 2 pF
Max Input Signal 1.5 2 V

DC Output Voltage 1.9 2.3 V

= 1VPP at - 3dB 10 19 MHz

IN

= 1VPP at f = 5MHz,

IN

on one input

52 dB

Output Resistance 50 Ω
Gain at OUTC VIN = 1V
Gain matching between C inputs VIN = 1V

= 1VPP at f = 5MHz,

IN

on one input

PP
PP

5.5 6 6.5 dB

-0.5 0 0.5 dB

55 dB

±4 ±20 ns

V

@ 5MHz

PP

PP
PP

MHz
MHz
MHz

PP

6411A-06.TBL

7/20

STV6411A

ELECTRICAL CHARACTERI STICS

= 25°C, A VCC = VVCC = 8V, V

T

amb

(continued)

= 12V , R

CC12

= 10kΩ, RGA = 600Ω, RGV = 50Ω, R

LOUTA

LOUTV

= 4.7kΩ,

unless otherwise specified.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

SLOW BLANKING SECTION

INPUT (Input mode V

SLBlow Input Low Level Threshold 2.5 3.25 4 V

SLBhigh Input High Level Threshold 7.5 8.25 9 V

I

IN

Input current 50 100 µA

OUTPUT (Output mode V

SLBLOW Output Low Level (int. TV) 0 0.02 1.5 V
SLBMED Output Med Level (ext. 16/9) 5 5.75 6.5 V

SLBHIGH Output High Level (ext. 4/3) 10 11 12 V

FAST BLANKING SECTION

INPUT (Input mode V

FBlow/high Input Low/High Level Threshold 0.4 0.7 0.9 V

I

IN

Input current 210µA

OUTPUT (Output mode V

Output Low Level IIN = 1.0mA

Output High Level I
Fast blanking to RGB delay At 50% on digital RGB transients,

DEL

Fast Blanking transitions at FB output

Rise Time

FB

FB

FB

FB

LOW

HIGH

TRANS

Fall Time

ADDRESS SELECTION INPUT

ADDsel_L Address selection low level 0 0.2 V

ADDsel_H Address selection high level 4 V

I

LEAK

Leakage Current 10 µA

= 8V ±5%)

CC8

CC12

= 8V ±5%)

CCV

CCV

= 12V ±5%, V

= 8V ±5%, R

= 8V ±5%, R

CC8

> 1kΩ)

LOAD

> 10kΩ)

LOAD

00.7

IIN = 0.2mA

= 1.0mA 3.6 4 4.4 V

OUT

30 ns
at 2.7V
on FB fall C

C

FB rise transient, at 1.5V

ON

= 10pF max

LOAD

between 10% and 90%

= 10pF max

LOAD

between 90% and 10%

30

30

0.3VV

CC

(8V)

ns
ns

V

6411A-07.TBL

8/20

STV6411A

ELECTRICAL CHARACTERI STICS

= 25°C, A VCC = VVCC = 8V, V

T

amb

(continued)

= 12V , R

CC12

= 10kΩ, RGA = 600Ω, RGV = 50Ω, R

LOUTA

LOUTV

= 4.7kΩ,

unless otherwise specified.

Symbol Parameter Test Conditions Min. Typ. Max. Unit

2

C BUS CHARACTERISTICS

I

SCL

V
V

f

SCL

SDA

V
V

V

C

TIMING

t

LOW

t

HIGH

t

SU,DAT

t

HD,DAT

t

SU,STO

t

BUF

t

HD,STA

t

SU,STA

Low Level Input Voltage -0.3 1.5 V

IL

High Level Input Voltage 3 5.5 V

IH

Input Leakage Current VIN = 0 to 5.5V -10 0 10 µA

I

LI

Clock Frequency 0 100 kHz
Input Rise Time 1.5V to 3V 1 µs

t

R

Input Fall Time 1.5V to 3V 300 ns

t

F

Input Capacitance 10 pF

C

l

Low Level Input Voltage -0.3 1.5 V

IL

High Level Input Voltage 3 5.5 V

IH

Input Leakage Current VIN = 0 to 5.5V -10 0 10 µA

I

LI

Input Capacitance 10 pF

C

l

Input Rise Time 1.5V to 3V 1 µs

t

R

Input Fall Time 1.5V to 3V 300 ns

t

F

Low level Output Voltage IOL = 3mA 0.4 V

OL

Output Fall Time 3V to 1.5V 250 ns

t

F

Load Capacitance 400 pF

L

Clock Low Period 4.7 µs
Clock High Period 4 µs
Data Set-up Time 250 ns
Data Hold Time 0 340 ns
Set-up Time from Clock High to Stop 4 µs
Start Set-up Time following a Stop 4.7 µs
Start Hold Time 4 µs
Start Set-up Time following Clock Low to High Transition 4.7 µs

6411A-08.TBL

9/20

STV6411A

I2C BUS SELECTION

Data transfers follow the usual I2C format: after the start condition (S), a 7-bit slave address is sent, followed
by an eighth bit which is a data direction bit (W). A 8-bit subadress is sent to select a register, followed by
a 8-bit data word to put in it.

The IC’s I2C bus decoder permits the automatic incrementation mode in write mode.

String Format

Write only mode (S : start condition, P : stop condition, A : acknowledge)

S SLAVE ADDRESS 0 A SUBADDRESS A DATA A P

Read only mode

S SLAVE ADDRESS 1 A DATA A P

Slave Address

Address A6 A5 A4 A3 A2 A1 A0

Value 100101X

Auto Increment Mode

S SLAVE ADDRESS 0 A SUBADDRESS A DATA0 A DATA1 A ........ DATAN A P

I2C Bus Address

Write Address : 1001 01X0
Read Address : 1001 01X1

Address Selection Pin Grounded : X = 0, write address = 94HEX, read address = 95HEX
Address Selection Pin to Supply : X = 1, write address = 96HEX, read address = 97HEX

Input Signals Summary

Reg.
Addr.
(HEX)

DATA D7 DATA D6 DATA D5 DATA D4 DATA D3 DATA D2 DATA D1 DATA D0

00

01

02

03 Not used

04 TV RGB Output Control TV FB Output Control RGB Gain

05

06 Not used Not used

07

08 Not used Not used Not used Not used Not used Not used

TV/Cinch Audio Level Adjustment

Identical values should be written

STV6410A

only

VCR

Output

OFF

(Write Mode)

to both registers

VCR Mono

TV Chroma

Mute

STV6410A

only

STV6410A

only

Set to 1

0/6dB

TV Gain

0/6dB

Cinch Gain
STV6410A

only

Y/CVBS & Chroma TV Outputs Control TV RF Ouput Control

STV6410A

only

TV

Output

OFF

ENCOD

Clamp

disable

TV Mono TV Audio Outputs Control

Not used Cinch Audio Outputs Control

VCR Audio Outputs Control

STV6410A

only

VCR

Chroma

Mute

Slow Blanking

VCR SCART

TV

Clamp

disable

ASTB

Clamp

disable

VCR Y/CVBS &

Chroma Outputs Control

Slow Blanking

TV SCART

VCR

Clamp

disable

RF Mod

Output OFF

Not used data must be put to "0"

TV R/C

Ouput

Control
R/Csub

Encoder

Clamp

RGB

Clamp

disable
CINCH

Output OFF

10/20

STV6411A

I2C BUS SELECTION
Input Signals

(Write Mode)

(continued)

Data Byte

TV Audio Output

Reg.
Addr.
(HEX)

00 Audio Output selection 3 X X X X X 0 0 0 Muted

Description Bits

Stereo or Mono Mode 1 X X X X 0 X X X 0 = Stereo

6dB Extra Gain 1 X X X 0 X X X X 0 = 0dB

Level Adjustment 3 0 0 0 X X X X X 0dB Adjustment

d7 d6 d5 d4 d3 d2 d1 d0

X X X X X 0 0 1 NOT ALLOWED
X X X X X 0 1 0 VCR inputs selected
X X X X X 0 1 1 ASTB inputs selected
X X X X X 1 0 0 NOT ALLOWED
X X X X X 1 0 1 Encoder inputs selected
X X X X X 1 1 0 NOT ALLOWED
X X X X X 1 1 1 NOT ALLOWED

X X X X 1 X X X 1 = Mono

X X X 1 X X X X 1 = +6dB

1 1 1 X X X X X -14dB Adjustment (-2dB/step)

Data

Audio Cinch Output

Reg.
Addr.
(HEX)

01 Audio Output Selection

Description Bits

Level Adjustment
6dB Extra Gain 1 X X X 0 X X X X 0 = 0dB

d7 d6 d5 d4 d3 d2 d1 d0

3 d7 d6 d5 X X d2 d1 d0 Used in STV6410A. In STV6411A

X X X 1 X X X X 1 = +6dB

Data

Comments

Comments

applic ations d7d6d5 d2d1d0 dat a should
be identical to register 00H.

VCR Audio Outputs Selection

Reg.
Addr.
(HEX)

02 VCR Audio Output

Description Bits

Selection

Used in STV6410A.
For STV6411A
applications, should be
set to mute value
(XX000XXX).

Data

d7 d6 d5 d4 d3 d2 d1 d0

3 XX000000Muted

X X 0 0 0 0 0 1 NOT ALLOWED
X X 0 0 0 0 1 0 NOT ALLOWED
X X 0 0 0 0 1 1 ASTB inputs selected
X X 0 0 0 1 0 0 TV inputs selected
X X 0 0 0 1 0 1 Encoder inputs selected
X X 0 0 0 1 1 0 NOT ALLOWED
X X 0 0 0 1 1 1 NOT ALLOWED
X 0 0 0 0 X X X 0 = Stereo
X 1 0 0 0 X X X 1 = Mono

3 X X 0 0 0 X X X Muted

X X 0 0 1 X X X NOT ALLOWED
X X 0 1 0 X X X NOT ALLOWED
X X 0 1 1 X X X NOT ALLOWED
X X 1 0 0 X X X NOT ALLOWED
X X 1 0 1 X X X NOT ALLOWED
X X 1 1 0 X X X NOT ALLOWED
X X 1 1 1 X X X NOT ALLOWED

Comments

11/20

STV6411A

I2C BUS SELECTION

(continued)

TV Video Output

Reg.
Addr.
(HEX)

03 R/C TV Output Selection 1 X X X X X X X 0 Red signal selected

RF output : adder control and
chroma subcarrier filter selection

Y/CVBS output and chroma
signal selection

Chroma switch muting 1 X 0 X X X X X X Chroma Output controlled by

04 ENCODER R/Csub Clamp 1 X X X X X X X 0 Bottom Level Clamp

Used in STV6410A.
In STV6411A applications should
be set to zero (XXXXXX0X).

RGB output Gain 2 X X X X 0 0 X X +6dB gain

FB Output 2 X X 0 0 X X X X FB forced to low level

RGB ouputs selection 2 0 0 X X X X X X Muted

Description Bits

2 X X X X X X 0 X CVBS to RF output

3 X X 0 0 0 X X X Y/CVBS & chroma muted

1 X X X X X X 0 X Bottom Level Clamp

d7 d6 d5 d4 d3 d2 d1 d0

X X X X X X X 1 Chroma signal selected

X X X X X X 1 X Y+C to RF output
X X X X X 0 X X Filter not active
X X X X X 1 X X Filter active

X X 0 0 1 X X X NOT ALLOWED
X X 0 1 0 X X X NOT ALLOWED
X X 0 1 1 X X X Y/CVBS _VCR & C_VCR
X X 1 0 0 X X X CVBS_ASTB & Chroma muted
X X 1 0 1 X X X Y/CVBS_ENC & R/C_ENC
X X 1 1 0 X X X Y_ENC & C_ENC
X X 1 1 1 X X X NOT ALLOWED

X 1 X X X X X X Chroma Output forced to mute

X X X X X X X 1 Average Level Clamp

X X X X X X 1 X Average Level Clamp

X X X X 1 1 X X +3dB gain (1dB/Step)

X X 0 1 X X X X FB forced to high level
X X 1 0 X X X X FB from Encoder
X X 1 1 X X X X FB from AUX

0 1 X X X X X X RGB_Encoder selected
1 0 X X X X X X RGB_AUX selected
1 1 X X X X X X NOT ALLOWED

Data

Comments

d5d4d3 from register 03

12/20

STV6411A

I2C BUS SELECTION

(continued)

VCR Video Outputs

Reg.
Addr.
(HEX)

05 VCR Y/CVBS & Chroma

Outputs Selection

VCR Chroma Output Muting 1 1 0 0 0 0 X X X Chroma Output controlled by

Used in STV6410A.
For STV6411A applications
should be set to mute value
(X000XXXX).

Description Bits

Data

d7 d6 d5 d4 d3 d2 d1 d0

3 1 0 0 0 X 0 0 0 Y/CVBS & chroma muted

1 0 0 0 X 0 0 1 NOT ALLOWED
1 0 0 0 X 0 1 0 NOT ALLOWED
1 0 0 0 X 0 1 1 NOT ALLOWED
1 0 0 0 X 1 0 0 CVBS_ASTB & chroma muted
1 0 0 0 X 1 0 1 Y/CVBS_ENC & R/C_ENC
1 0 0 0 X 1 1 0 Y_ENC & C_ENC
1 0 0 0 X 1 1 1 Y/CVBS_TV & C_TV

d2d1d0 from register 05

1 X X X 1 X X X Chroma Output forced to mute

3 X 0 0 0 X X X X Y/CVBS & chroma muted

X 0 0 1 X X X X NOT ALLOWED
X 0 1 0 X X X X NOT ALLOWED
X 0 1 1 X X X X NOT ALLOWED
X 1 0 0 X X X X NOT ALLOWED
X 1 0 1 X X X X NOT ALLOWED
X 1 1 0 X X X X NOT ALLOWED
X 1 1 1 X X X X NOT ALLOWED

Comments

Slow Blanking Switches

Reg.
Addr.
(HEX)

06 Slow Blanking TV SCART 2 X X 0 0 X X 0 0 Input mode

Slow Blanking VCR SCART 2 X X 0 0 0 0 X X Input mode

Used in STV6410A.
For STV6411A applications
should be set to input mode
(XX00XXXX).

Description Bits

2 X X 0 0 X X X X Input mode

d7 d6 d5 d4 d3 d2 d1 d0

X X 0 0 X X 0 1 Output < 2V
X X 0 0 X X 1 0 Output 16/9 format
X X 0 0 X X 1 1 Output 4/3 format

X X 0 0 0 1 X X Output < 2V
X X 0 0 1 0 X X Output 16/9 format
X X 0 0 1 1 X X Output 4/3 format

X X 0 1 X X X X NOT ALLOWED
X X 1 0 X X X X NOT ALLOWED
X X 1 1 X X X X NOT ALLOWED

Data

Comments

13/20

STV6411A

2

I

C BUS SELECTION

(continued)

Standby Modes Sele c tion

Reg.

Addr.

(HEX)

07 VCR Clamps Disabling

(RGB inputs)
VCR Clamps Disabling 1 X 1 X X X X 0 X Clamp Active

ASTB Clamps Disabling 1 X 1 X X X 0 X X Clamp Active

TV Clamps Disabling 1 X 1 X X 0 X X X Clamp Active

Encoder Clamps Disabling 1 X 1 X 0 X X X X Clamp Active

TV/RGB Output Disabling 1 X 1 0 X X X X X Audio & Video Outputs ON

VCR Output Disabling 1 0 1 X X X X X X Audio & Video Outputs ON

08 CINCH Output Disabling 1 X 1 X X X X X 0 CINCH Output ON

RF MOD Output Disabling 1 X 1 X X X X 0 X RF MOD Output ON

Description Bits

1 X 1 X X X X X 0 Clamp Active

d7 d6 d5 d4 d3 d2 d1 d0

X1XXXXX1Clamp Disabled

X 1 X X X X 1 X Clamp Disabled

X 1 X X X 1 X X Clamp Disabled

X 1 X X 1 X X X Clamp Disabled

X1X1XXXXClamp Disabled

X 1 1 X X X X X Audio & Video Outputs OFF

1 1 X X X X X X Audio & Video Outputs OFF

X 1 X X X X X 1 CINCH Output OFF

X 1 X X X X 1 X RF MOD Output OFF

Data

Comments

Output Signals

(Read Mode)

Data Byte

Reg.

Addr.

(HEX)

Description Bits

Slow Blanking TV SCART 2 X X X X X X 0 1 Input < 2V

Slow Blanking VCR SCART 2 X X X X 0 1 X X Input < 2V

d7 d6 d5 d4 d3 d2 d1 d0

X X X X X X 1 0 Input 16/9 format
X X X X X X 1 1 Input 4/3 format

X X X X 1 0 X X Input 16/9 format
X X X X 1 1 X X Input 4/3 format

Data

Power-on Reset - Bus Register Initial Conditions

Power on reset is active when the power supply voltage is below (Tbf) volts.
Not significant bits (X) are preset to "0"

Register Address HEX

00 00000000
01 00000000
02 00000000
03 00000000
04 00000000
05 00000000
06 00000000
07 00000000
08 00000000

d7 d6 d5 d4 d3 d2 d1 d0

DATA

Comments

14/20

INPUT/OUTPUT GROUPS
Figure 1 :

Bottom Cl amp e d Video Inputs

(Pins 30, 32 ,3 4, 36, 3 8, 44 , 4 6, 50 , 52 )

Figure 2 :

STV6411A

Average Clamped Video Inputs
(Pins 40, 48, 54)

Protected Pad

Figure 3 :

VCC 8V

VCC 8V VCC 8V

15k

W

tri

Audio Inputs (5 Stereo)
(Pins 39-41, 47-49, 53-56)

I

B

50k

W

2V + V

D

VCC/2

Protected Pad

6411A-03.EPS

Figure 4 :

VCC 8V

VCC 8V

I

B

Audio Outputs (4 Stereo +1)
(Pins 58, 59, 60-62, 8)

25k

60

W

tri

25k

W

3V

6411A-04.EPS

VCC 8V

W

Protected Pad

Figure 5 :

VCC 8V

Trap Filter (Pin 11)

1k

W

100

W

Protected Pad

VCC 8V

6411A-05.EPS

Figure 6 :

6411A-07.EPS

Video Outputs
(Pins 61, 63, 1, 3, 5, 7, 9)

VCC 8V

50

W

5k

W

5k

W

Protected Pad

Protected Pad

6411A-06.EPS

VCC 8V

6411A-08.EPS

15/20

STV6411A

INPUT/OUTPUT GROUPS

External Capacitor (Pin 51)

Figure 7 :

Figure 9 :

V

REF

VCC 8V

I

B

I

B

Input Fast Blanking (Pins 18, 19)

VCC 8V

(continued)

VCC 8V

40k

W

40k

W

Protected Pad

Figure 8 :

6411A-09.EPS

Figure 10 :

Slow Blanking (Pins 25, 27)

VCC 12V

1k

W

25k

W

80k

W

80k

W

Protected Pad

Output Fast Blanking (Pin 17))

1k

W

VCC 8V

VCC 12V

6411A-10.EPS

Protected Pad

Figure 11 :

VCC 8V

Protected Pad

2

C Bus (ADD) (Pin 20)

I

10k

W

6411A-11.EPS

Figure 12 :

6411A-13.EPS

25k

W

2

C Bus (SCL) (Pin 21)

I

VCC 8V

Protected Pad

10k

50

W

Protected Pad

6411A-12.EPS

W

6411A-14.EPS

16/20

STV6411A

INPUT/OUTPUT GROUPS

2

C Bus (SDA) (Pin 22)

Figure 13 :

I

APPLICATION DIAGRAM

SCART1

TV

RF MOD

(continued)

VCC 8V

Protected Pad

R/C
G
B
FAST BLANK
CVBS/Y
AUDIO L
AUDIO R
CVBS/Y
AUDIO L
AUDIO R
SLOW BLANK

CVBS
AUDIO L+R

Acknowledge

10k

W

6411A-15.EPS

AUDIO L
AUDIO R

R
C

STV6411A

R, G, B, FB

SWITCHES

CVBS/Y

SWITCHES

CHROMA

SWITCHES

AUDIO

SWITCHES

SLOW BLANK,
I/O CONTROL

R/C
G
B
FAST BLANK
CVBS/Y
C
AUDIO L
AUDIO R
Y

CVBS
AUDIO L
AUDIO R

R
G
B
FAST BLANK
CVBS/Y
AUDIO L
AUDIO R
C
CVBS/Y
C
AUDIO L
AUDIO R
SLOW BLANK

CINCH

OUTPUT

ENCODER

ANALOG

STB

SCART2

VCR

6411A-16.EPS

17/20

STV6411A

APPLICATION NOTE
1 - Audio Part

1.a - Inputs

The audio inputs are designed to follow sources up
to (at least) 2V
expected DC level of V
the device is providing this DC polarization. That
means that in most of the cases the inputs are AC
coupled via chemical capacitors. The recom­mended values are 1µF, 2 .2µF or 4.7µF (internal
polar. is made via a 50kΩ resistor). I want to point
out that the internal polarization is filtered by an
external capacitor (on Pin called ‘V
pacitor contribute to good performance of the de­vice. Its value should be 47µF or more (coupled
with an 47nF HF cap. for internal video referenc es).

Figure 14 :

L/R Audio

Audio Inputs

12k

(that is around 6VPP) with an

RMS

/2 (4V typ.). That’s why

CC

220

W

4.7mF

W

’). This ca-

REF

Audio In

2 - Video Part

2.a - Inputs

Video inputs need to be AC coupled. But only some
small capacitor values are requested thanks to the
internal clamps provided by these devices. Usually
some 100nF HF capacitors (47nF to 220nF) are
enough to provide good performances on Y,
CVBS,RGB and C inputs.

Chrominan ce in puts : - a verage clam p - that mean s
that the DC is meas ured as the avera ge value of the
input signal and set to an internal reference (close
to 3V). The dy na mi c allowed is more than 1.5V .

RGB, Y, CVBS inputs : - bottom sync top clam p ­that means that the DC level is measured at the
lowest value of the input signal and set to an
internal reference (close to 2V). The dynamic al­lowed is more than 1.5V.

Figure 16 :

Y/C/CVBS/RGB

Video Inputs

220

100nF

W

Video In

STV6411A

NB: In some particular cases (loopback from out­puts to inputs) the AC coupling capacitor can be
removed... but some small offsets in the audio
chain can cause some noise while switching from
one input to another.

1.b - Outputs

Audio output buffers are able to provide more than

2.1V

(around 6VPP) on a typical load of 10k

RMS

(in fact a 2kΩ load is acceptable). The DC level is
once more V

/2 for best dynamic performance.

CC

Usually some AC coupling capacitors are used at
the outputs. To drive some typical 10kΩ loads, it is
normal to use capacitors with value 5 t o 10 times
the value of the input capacitors. That gives a value
between 4.7µF and 47µF. Moreover it can be a
good idea to insert resistors ( 220Ω or 470Ω) in the
audio outputs. That will provide a protection for
output stages. No external drivers or buffers are
needed in typical use of the device.

Figure 15 :

Audio Out

Audio Outputs

4.7mF

470

W

L/R Audio

STV6411A

75

W

6411A-17.EPS

2.b - Outputs

On thes e devices the v ideo outputs are NOT AB LE
to drive 150Ω. That means that external buffers (one
simple NPN-Transistor per output) are needed. To
reduce the external components, the output DC
level have been chose n to allow a di rect driv e of the

Ω

base of the output follower (NPN). The emitters of
the NPN s wil l be polarized t o gr ound via 1kΩ resis­tors (more or le ss) and will driv e the outputs throug h
some 75Ω resistors. Do not f or get t o bufferize your
favourite UHF modulator video input...

Chrominance outputs have a DC of 2.3V (it is an
average value) and Luminance type output have a
DC of 1.3V (it is a bottom value).

Figure 17 :

Video Out

Video (and Fast Blanking) Outputs

75

W

(4.7kW)1k

W

STV6411A

6411A-18.EPS

STV6411A

6411A-19.EPS

Video

6411A-20.EPS

18/20

STV6411A

APPLICATION NOTE

(continued)

2.c - Fast Blanking

Fast Blanking signal is used to make an equipment
consider its RGB inputs for full-screen display or
fast insertion (OSD, etc.). The output of such s ignal
is exactly managed in the same way as RGB (that
is important for levels and delays).

The input is DC coupled (insert a few hundreds
ohms resistors for external input).

2.d - Slow Blanking

Slow Blanking signal is used to make an equipment
consider an external input (e.g. CVBS and
SOUND). The input/output of such signal is very
simple, DC coupled (insert a few hundreds ohms
resistors for external I/O). Notice that this function
is requesting a 12V power supply (on Pin V

CC12

This pin can be left open (not pulled down) if this
function is not used.

2

3 - I

C Bus

3.a - Address

You can choose the address of the device by

setting the Pin ADD to ground or to V

DD

selects 94h and the latter selects 96h. These val­ues correspond to the writeable (or control) regis­ters. Change the lowest bits to ‘1’ (that gives 95h
and 97h) to read the readable register of the device.
One device will answer (acknowledge) to its both
addresses 94h and 95h or 96h and 97h.

3.b - Write Mode

This mode is used to c ontrol the devic e, to select
switches positions, gains, etc.

Send a start condition, the addr ess of the dev ice,
the address of the register (its number), and the
data to put in it. At t his point you can send a stop
or send the data of the following registers (that is
what we call auto-increment).

).

3.c - Read Mode

This mode is used to read some data such as
slow-blanking input signals.

Send a start condition, the address of the device
(+1) and then send one byte clock to read the
unique data register.

. The former

N.B.: Do not forget your favourite ESD protections for I/O signals of plugs.

19/20

STV6411A

PACKAGE MECHANICAL DA TA

64 PINS - FULL PLASTIC QUAD FLAT PACK (TQFP )

64 49

1

e

A

A2

A1

0,10 mm
.004 inch

E3

E1

SEATING PLANE

B

E

48

33

c

L1

L

0,25 mm
.010 inch

K

GAGE PLANE

Dimensions

16

17 32

D3
D1

D

Millimeters Inches

Min. Typ. Max. Min. Typ. Max.

A 1.60 0.063
A1 0.05 0.15 0.002 0.006
A2 1.35 1.40 1.45 0.053 0.055 0.057

B 0.17 0.22 0.27 0.007 0.009 0.011

C 0.09 0.20 0.004 0.008

D 12.00 0.472

D1 10.00 0.394
D3 7.50 0.295

e 0.50 0.0197

E 12.00 0.472
E1 10.00 1 0.394
E3 7.50 0.295

L 0.45 0.60 0.75 0.018 0.024 0.030

L1 1.00 0.039

K0

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from
its use. No licence 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 sys tem s
without express written approv al of STMi cr oelec troni cs.

Purchase of I

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The ST logo is a registered trademark of STMicroelectronics

© 1998 STMicroelectronics - All Rights Reserved

2

C Components of STMicroelectronics, conveys a license under the Philips I2C Pate n t .

2

the I

C Standard Specifications as defined by Phili ps.

STMicroelectronics GROUP OF COMPANIES

2

C system, is granted provided that the system conforms to

http://www.st.com

o

(Min.), 7o (Max.)

20/20

PM-5W.EPS

5W.TBL