SAA7121H

 

 

FEATURES

• Monolithic CMOS 3.3 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)

• Three Digital-to-Analog Converters (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 World Standard

Teletext (WST) and North-American Broadcast Text

System (NABTS) teletext encoding including sequencer

and filter

• Line 23 Wide Screen Signalling (WSS) encoding

• Fast I2

C-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 I2

C-bus

• Down mode of DACs

 

 

 

**注意 & Noted:

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