COMedia C328-EV232 User Manual

C328-EV232 EV BOARD

USER MANUAL

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C328-EV232 Evaluation Board 1 2004.5.10

General Description

The C328-EV232 EV board is a simple application reference for the C328 Camera Module. It is built
with RS232 transceivers to connect the C328 Module to a PC. An user friendly PC driver is provided
for user to evaluate the key functions of the C328 camera module.

RS232

Transceivers

C328

Module

UART

C328 EV Board

RS232

Figure 1 – System block diagram

Board Layout

50mm

43mm

J1

J3

J2

DB9
Female
Connector

P1

Figure 2 – C328 EV board layout

Connector Description:

J1 4 pin header 2mm pitch To interface C328 module
J2 DC Power Jack, 5VDC input For AD/DC adapter
J3 DC input, 3.6V or 4.5V For power supply or battery
P1 9pin D type, female For RS232 cable connect to PC

Installation of Software Driver

OS Support: Win98/ME/XP and COM1 is free

1. create a directory on the PC, eg c:\C328

C328-EV232 Evaluation Board 2 2004.5.10

2. copy the files to that directory. They include:

C328Ap.exe
c328Drv.dll
JPEGDecoder.dll

Procedures

1. Plug the C328 module into J1 of the EV board

2. Connect the EV board to a PC using the RS232 cable included

3. Apply power to EV board through J2 or J3

4. Run “C328Ap.exe”

Software Overview

After initialization, the appearance of the user interface will look like Figure 3.
Image will be displaying in the Preview Window. The Progress Bar shows the progress of the loading
operation of the image.

C328-EV232 Evaluation Board 3 2004.5.10

1. SnapShot Group

User can select the required resolution and then click “Go!” to get a picture.
The picture will be shown in the S napShot Picture V iew W indow and stored as “snapshot.jpg”
in the same directory where “C328Ap.exe” is located. If you want to keep the image, you need to
rename the file name, otherwise, it will be replaced by the new captured image.

2. View Group

This Group contains three buttons, Begin,
Set and Stop. User can pause and

resume to preview the live image by
pressing the button Stop and Begin
respectively.
When the button Set is pressed, a dialog
containing the data parameter will be
shown as Figure 4. User can change the
image size accordingly in the dialog box.
Click Apply to confirm the setting.

Fig 4- Parameter setting

Preview Window

Progress Bar

View Group

SnapShot Picture
View Window

Status Bar

SnapShot
Group

Figure 3 – User Interface of C328-EV232