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User’s Manual
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Figura 10
Parallel Interface
The unidirectional parallel interface has the following specifications:
Synchronization: Externally supplied Strobe signal
Handshaking: Ack and Busy signal
Signal levels: TTL compatible
Data transmission: 8-bit parallel
Parallel Interface Pin Assignments
Signal pin
1
2
3
4
5
6
7
8
9
Associated
return pin
19
20
21
22
23
24
25
26
27
Signal
/STROBE
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7
Data 8
Description
Strobe pulse for data reading. The pulse’s width
must be larger than 0.5 us.
Data in signals (LSB is Data 1). The signal high
level corresponds to bit 1 and the low level
corresponds to 0.
Direction
IN
IN