AT76C101 Datasheet, PDF (1/13 Pages) ATMEL Corporation – JPEG Image Compression Processor

Features
• Compatible with the JPEG Baseline Standard as Defined by ISO IS 109 18-1
• Highly-integrated, Low-cost Single Chip Solution
• Up to 40 Mbytes/sec Sustained Compression Rate
• Maximum Processing Rate of 1.6 million pixels/sec
• Supports 8-bit Grayscale and YUV 4:2:2 Color Space Input and Output Formats
• Handles Images of Size up to 1024 x 1024 Pixels
• Fast DCT/IDCT Processor On-chip
• User-defined Quantization and Huffman Tables
• Support for Fast as well as Slow/Inexpensive Memories
• Provides Direct Interface for Microcontroller/Microprocessor Access
Applications
The AT76C101 JPEG Processor is optimized for use in the following applications:
• Digital Cameras
• Color Printers and Plotters
• Low-cost Image Compression Systems
• Video Editing (3-4 frames/sec at CCIR 720 x 480 Image Resolution)
Hardware Resources
• On-chip Video Interface
• Custom Discrete Cosine Transform and Quantization Processor
• Variable Length and Huffman Encoder/Decoder
• Programmable Memory Interface (Supports Slow Memories)
• Microcontroller/Microprocessor Access Bus
Pin Configuration
100-Pin QFP
SRDATA_15-0
SRADDR_14-0
PXWE
PXRE
PXIN
PXOUT
STOP_PIXEL
SRDRIVE
H_SYNC
V_SYNC
PX_CLK
CLK_IN
M_ADDR_19-0
M_DATA_7-0
MEM_CS
TEST
RESET
FRAMEND
FREEZE
MASTER_CS
MASTER_WR
MASTER_OE
BUSY
BST_TEST
JPEG Image
Compression
Processor
AT76C101
Rev. 0751A–04/98
1