PAC7312 Datasheet, PDF (4/13 Pages) Pixart Imaging Inc. – VGA PC Camera Single-Chip with Audio

PixArt Imaging Inc.
PAC7312
2. Block Diagram
VGA PC Camera Single-Chip with Audio
Audio
Analog
Circuits
Audio
Control
Interface
VGA
Sensor
PLL
Regulator
Image
Processing
Engine
JPEG
Compression
Engine
Rate
Control
ASIC Register Bank
Sensor Register Bank
EEPROM
Controller
USB
Controller
PAC7312 is a single-chip USB camera. It includes a VGA sensor based on PixArt VGA sensor with
enhanced image quality and sensitivity, a 48MHz PLL, internal regulators, JPEG image compression,
image processing schemed, control registers, on-chip SRAM for image data buffer and USB
controller. All register parameters are set by USB interface. And the JPEG compressed image data is
transmitted by USB 1.1 isochronous pipe.
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
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PixArt Imaging Inc.
E-mail: [e-mail]
V1.5 Oct. 2005