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STV0674 Fiches technique(PDF) 9 Page - STMicroelectronics

No de pièce STV0674
Description  Tri-mode CMOS digital camera co-processor
PDF  35 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV0674 Fiches technique(HTML) 9 Page - STMicroelectronics

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STV0674
STV0674 Application Examples
3
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
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.
Note:
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
CMOS Sensor
CIF or VGA
lens + IR filter
USB
interface
processor
embedded
memory
to host PC
video
processor
video
compression
micro
(not for image store)
audio
interface
USB Cable
STV0674
Audio
pre-amp
microphone
memory
interface
external
EEPROM
image
array



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