[Vimicro Corporation]

VGA USB PC Camera Processor

The ZC0302 chip provides a cost effective single chip solution for the PC camera application. It communicates with PC host via Universal Serial Bus (USB) port. All major image processing functions, such as image signal processing (ISP), image data compression and data transfer units are built in the chip. Meanwhile ZC0302 also provides high quality audio sampling function for sound recording. The audio function complies with USB audio class 1.0.

General Features

□ Low cost, single chip solution for high resolution USB PC camera applications

□ Audio function complying to USB audio device class 1.0

□ Support up to 15 fps VGA video display without DRAM

□ USB Device Controller compliant with USB protocol 1.1

□ USB parameter configurable through EEPROM

□ Support 9/8-bit RGB Bayer pattern raw data input from CMOS image sensors

□ Support programmable color correction and gamma correction

□ Support programmable Auto Exposure/Auto White Balance

□ Support Auto Gain Control

□ Support ISO/IEC 10918-1 (JPEG) standard image compression

□ Support 4 quantization tables for programmable image quality

□ Support raw data output for high quality still image

□ 3.3V I/O, 2.5V core

□ No external DRAM required

□ Flexible system level solution support