ZR36060PQC datasheet(3/46 Pages) ETC

3 / 46 page

January 1997

ZORAN Corporation s 1705 Wyatt Drive s Santa Clara, CA 95054 s (408) 986-1314 s FAX (408) 986-1240

PRELMINARY

ZR36060

INTEGRATED JPEG CODEC

FEATURES

s Single-chip JPEG processor which integrates all the mod-

ules needed for JPEG encoding and decoding:

- Raster-to-block and block-to-raster converter

- Strip buffer

- JPEG codec

s Motion video compression and expansion capability:

- Up to 25 frames/sec, square pixel and CCIR PAL

- Up to 30 frames/sec, square pixel and CCIR NTSC

s Three modes of Bit Rate Control (BRC):

- Auto Two Pass: for still image compression, produces

tightly controlled compressed data file size

- Single pass: for motion video compression, keeps the file

size approximately fixed

- No BRC: uses fixed quantization tables

s Glueless interface to common video decoders (e.g., Philips,

Brooktree, Samsung, ITT, Harris)

s Glueless interface to the ZR36057, I32 and other common

multimedia controllers.

s Supports 8 and 16-bit YUV video interfaces

s Supports master and slave modes of video synchronization

s Interfaces to a variety of host controllers, ranging from the

dedicated high-performance ZR36057 PCI controller

to generic low-cost microcontrollers

s Flexible compressed data interface:

- 8-bit master mode, supporting transfer of up to 30 Mbytes/

sec

- 16-bit slave mode, supporting transfer of up to 16.7

Mbytes/sec

- 8-bit slave mode, supporting transfer of up to 8.3 Mbytes/

sec

s On-chip video processing, including:

- Mixing of two video sources

- Horizontal (1:2 and 1:4) and vertical (1:2) up and down

scaling

- Cropping in compression and programmable background

color in decompression

s 3.3V power supply with 5V-tolerant I/O

s Low power consumption:

- 850 mW at 30 MHz operating frequency

- Power down mode for power saving

s 100-pin PQFP package

APPLICATIONS

s Desktop video editing subsystems

s PCMCIA video capture cards

s Digital still cameras

s Digital video recording

s JPEG-based video conferencing systems

Video Decoder

Audio Control

Audio FIFO

Audio Codec

ZR36060

ZR36057

Video Encoder

Graphics

Sub-System

PCI Bus

Figure 1. JPEG-based video editing subsystem for PCI Systems

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