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SAA7121 Digital Video Coding Integrated Circuit

2016-09-12 19:48  
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SAA7121 Digital Video Coding Integrated Circuit
SAA7121 Digital Video Coding Integrated Circuit
SAA7121 Digital Video Coding Integrated Circuit
 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.