SAA5250P 데이터 시트보기 (PDF) - Philips Electronics

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SAA5250P

Interface for data acquisition and control (for multi-standard teletext systems)

Philips Electronics 

Philips Semiconductors

Interface for data acquisition and control

(for multi-standard teletext systems)

Product specification

SAA5250

handbook, full pagewidth

January 1987

INITIALIZE CIDAC

FRAMING

0

CODE DETECT

1

0

A1 O.K.

1

A2 O.K.

0

1

LOAD FORMAT COUNTER

WITH EXPLICIT VALUE

PAGE IN

1

PROGRESS

0

DECREMENT FORMAT COUNTER

1

0

START OF

PAGE DETECT

FORMAT

1

COUNTER = 0

FAST

0

SLOW/FAST

MODE

SLOW

SET PAGE IN PROGRESS FLAG

DECREMENT FORMAT COUNTER.

WRITE DATA BYTES INTO FIFO

MGH084

Fig.5 DIDON (medium) acquisition flow chart.

19

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