參數(shù)資料
型號: SAA5250T
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Interface for data acquisition and control for multi-standard teletext systems
中文描述: SPECIALTY CONSUMER CIRCUIT, PDSO40
封裝: PLASTIC, VSOP-40
文件頁數(shù): 23/35頁
文件大?。?/td> 173K
代理商: SAA5250T
January 1987
23
Philips Semiconductors
Product specification
Interface for data acquisition and control
(for multi-standard teletext systems)
SAA5250
Fig.9 Without prefix acquisition chart.
handbook, halfpage
MGH080
INITIALIZE CIDAC
LOAD FORMAT COUNTER
WITH EXPLICIT FORMAT
DECREMENT FORMAT COUNTER.
WRITE DATA BYTES INTO FIFO
FRAMING
CODE DETECT
FORMAT
COUNTER = 0
0
1
1
0
Fig.10 SD and DCK input circuitry.
handbook, full pagewidth
MGH076
D
D
CBI
5
6
D = clamping diodes
CBI = clamping pulse, the pulse width
is given by the R7 register
clock input to
data acquisition
circuit
data input to
data acquisition
circuit
DCK
SD
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