Description
The SAA5250 is a CMOS Interface for Data Acquisition and Control (CIDAC) designed for use in conjunction with the Video Input Processor (SAA5230) in a multi-standard teletext decoder.
Features
- 7,5 MHz maximum conversion rate.
- Three prefixes; DIDON, NABTS and U. K. teletext (CEEFAX).
- Mode without prefix.
- Internal calculation of the validation (VAL) and colour burst blanking (CBB) signals, if programmed.
- Programmable framing code and channel numbers.
- Error parity calculation or not (odd parity).
- Hamming processing of the prefix byte.
- Full channel or VBI reception.
- Slow/fast mode (detection of page flags or.
SAA5250 Datasheet
