saa5250 NXP Semiconductors, saa5250 Datasheet - Page 22

• Manufacturer Part Number: saa5250
• Description: Interface For Data Acquisition And Control For Multi-standard Teletext Systems
• Manufacturer: NXP Semiconductors

Philips Semiconductors
January 1987
handbook, full pagewidth
Interface for data acquisition and control
(for multi-standard teletext systems)
SET PAGE IN PROGRESS FLAG
0
PROGRESS
PAGE IN
ROW 0
Fig.8 U.K. teletext acquisition flow chart.
0
1
22
DECREMENT FORMAT COUNTER.
WRITE ROW NUMBER INTO FIFO
WRITE DATA BYTES INTO FIFO
LOAD FORMAT COUNTER
WITH IMPLICIT FORMAT
INITIALIZE CIDAC
CODE DETECT
COUNTER = 0
SLOW/FAST
FRAMING
MAG O.K.
FORMAT
MODE
SLOW
1
1
0
0
MGH081
Product specification
SAA5250