Interface Signal; Parallel Interface - SNBC BTP-R990 User Manual

6 Interface signal

6.1 Parallel interface

Parallel interface can work in IEEE 1284 compatible mode or nibble byte mode. The interface is 36PIN
socket.
The Interface is defined as below:
PIN Signal
No. source
1 H
2 H
3 H
4 H
5 H
6 H
7 H
8 H
9 H
10 P
11 P
12 P
13 P
14 H
15
16
17
18 P
19
20
21
22
23
24
25
26
27
28
29
30
31 H
32 P
33
34
35
36 H
Signal definition
nStrobe
Data 0 (Least Significant Bit)
Data 1
Data 2
Data 3
Data 4
Data 5
Data 6
Data 7 (Most Significant Bit)
nAck
Busy
Perror
Select
nAutoFd
Not defined
Logic Gnd
Chassis Gnd
Peripheral Logic High
Signal Ground (nStrobe)
Signal Ground (Data 1)
Signal Ground (Data 2)
Signal Ground (Data 3)
Signal Ground (Data 4)
Signal Ground (Data 5)
Signal Ground (Data 6)
Signal Ground (Data 7)
Signal Ground (Data 8)
Signal Ground (PError, Select, and nAck)
Signal Ground (Busy and nFault)
Signal Ground (nAutoFd, nSelctIn, and nInit)
nInit
nFault
Not defined
Not defined
Not defined
nSelectIn
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BTP-R990 User's Manual