STV0674 Просмотр технического описания (PDF) - STMicroelectronics

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STV0674

Tri-mode CMOS digital camera co-processor

STMicroelectronics 

STV0674

3 STV0674 Application Examples

STV0674 Application Examples

The initial STV0674 released by ST Microelectronics is supplied with generic firmware application

code to realise one of the following camera types.

3.1 Webcam with audio

3.1.1

Note:

Overview

This camera uses the minimum of external components and has no user interface, batteries or

memory for image storage. It is used as a tethered video capture camera over USB, with

simultaneous audio and video. It is controlled entirely through PC drivers. The application specific

firmware is downloaded from the PC.

A custom USB PID/VID can be configured by the use of an EEPROM, if required.

3.1.2 Application diagram

Figure 1: Application diagram when using STV0674 as webcam with audio

lens + IR filter

CMOS Sensor

CIF or VGA

image

array

microphone

Audio

pre-amp

STV0674

video

processor

video

compression

USB

interface

audio

interface

micro

processor

embedded

memory

(not for image store)

external

memory

interface

USB Cable

to host PC

EEPROM

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