BTP-L580IIC User’s Manual
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6 Interface signal
6.1 Parallel
interface
Parallel interface can work in IEEE 1284 compatible mode or nibble mode. The interface is
36-pin socket.
The Interface is defined as below:
Pin #
Signal
source
Signal definition
1 H
nStrobe
2
H
Data 0 (Least Significant Bit)
3 H
Data
1
4 H
Data
2
5 H
Data
3
6 H
Data
4
7 H
Data
5
8 H
Data
6
9
H
Data 7 (Most Significant Bit)
10 P
nAck
11 P
Busy
12 P
Perror
13 P
Select
14 H
nAutoFd
15
Not
defined
16
Logic
Gnd
17
Chassis
Gnd
18
P
Peripheral Logic High
19
Signal
Ground
(nStrobe)
20
Signal Ground (Data 1)
21
Signal Ground (Data 2)
22
Signal Ground (Data 3)
23
Signal Ground (Data 4)
24
Signal Ground (Data 5)
25
Signal Ground (Data 6)
26
Signal Ground (Data 7)
27
Signal Ground (Data 8)
28
Signal Ground (PError, Select, and nAck)
29
Signal Ground (Busy and nFault)
30
Signal Ground (nAutoFd, nSelctIn, and nInit)
31 H
nInit
32 P
nFault
33
Not defined
34
Not
defined
35
Not
defined
36 H
nSelectIn
