SAA7121 Digital Video Coding Integrated Circuit

Published:2011/8/25 22:47:00 Author:Michel | Keyword: Digital Video, Coding Integrated Circuit | From:SeekIC

　SAA7121 is digital video coding integrated circuit produced by Philips.It is widely used in VCD and DVD players. First,Functions Features SAA7121 integrated circuit supports NTSC and PAL-M B/G ~ TV pattern.It uses lzC control means and receives decompressed video data via the 8 bits of data bus.The built-in encoder codes digital brightness signal and chromaticity signal into the simulation CVSB and S video signal.It is composed of the data management unit, encoders, output interface, lObitD/A converter, synchronous clock circuit and the I2C bus interface and other components.Its inside circuit block diagram of intergrated block is shown as picture 1. Picture 1:Inisde Circuit Block Diagram of SAA7121 Intergrated Block Second,Pins Functions and Data SAA7121 adopts 44 feet package and its pins functions and data are shown as picture 1.



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