SAA7120

INTEGRATED CIRCUITS DATA SHEET SAA7120; SAA7121 Digital Video Encoder (ConDENC) Preliminary specification File under Integrated Circuits, IC22 1997 Jan 06 Philips Semiconductors Preliminary specification Digital Video Encoder (ConDENC) FEATURES Monolithic CMOS 3.3 V (5 V) device Digital PAL/NTSC encoder System pixel frequency 13.5 MHz Accepts MPEG decoded data on 8-bit wide input port; input data format Cb-Y-Cr (CCIR 656), SAV and EAV Three DACs for Y, C and CVBS, two times oversampled with 10 bit resolution Real time control of subcarrier Cross colour reduction filter Closed captioning encoding and WST- and NABTS-Teletext encoding including sequencer and filter Line 23 wide screen signalling encoding Fast I2C-bus control port (400 kHz) Encoder can be master or slave Programmable horizontal and vertical input synchronization phase Programmable horizontal sync output phase Internal colour bar generator (CBG) 2 × 2 bytes in lines 20 (NTSC) for copy guard management system can be loaded via I2C-bus Down-mode of DACs Controlled rise/fall times of synchronization and blanking output signals QUICK REFERENCE DATA SYMBOL VDDA VDDD IDDA IDDD Vi Vo(p-p) RL ILE DLE Tamb analog supply voltage digital supply voltage analog supply current digital supply current input signal voltage levels analog output signal voltages Y, C, and CVBS without load (peak-to-peak value) load resistance LF integral linearity error LF differential linearity error operating am...