PixArt Imaging Inc.
PAC7311
VGA PC Camera Single-Chip
2. Block Diagram
PAC7311 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.
4
PixArt Imaging Inc.
E-mail: fae_service@pixart.com.tw
V1.5 Oct. 2005
PIXART [ PIXART IMAGING INC. ]
