Parallel Port Pins Details.
By:Pratik Solanki
|
Pin No (D-Type 25)
|
Pin No (Centronics)
|
SPP Signal
|
Direction In/out
|
Register
|
Hardware Inverted
|
|
1
|
1
|
nStrobe
|
In/Out
|
Control
|
Yes
|
|
2
|
2
|
Data 0
|
Out
|
Data
|
|
|
3
|
3
|
Data 1
|
Out
|
Data
|
|
|
4
|
4
|
Data 2
|
Out
|
Data
|
|
|
5
|
5
|
Data 3
|
Out
|
Data
|
|
|
6
|
6
|
Data 4
|
Out
|
Data
|
|
|
7
|
7
|
Data 5
|
Out
|
Data
|
|
|
8
|
8
|
Data 6
|
Out
|
Data
|
|
|
9
|
9
|
Data 7
|
Out
|
Data
|
|
|
10
|
10
|
nAck
|
In
|
Status
|
|
|
11
|
11
|
Busy
|
In
|
Status
|
Yes
|
|
12
|
12
|
Paper-Out / Paper-End
|
In
|
Status
|
|
|
13
|
13
|
Select
|
In
|
Status
|
|
|
14
|
14
|
nAuto-Linefeed
|
In/Out
|
Control
|
Yes
|
|
15
|
32
|
nError / nFault
|
In
|
Status
|
|
|
16
|
31
|
nInitialize
|
In/Out
|
Control
|
|
|
17
|
36
|
nSelect-Printer / nSelect-In
|
In/Out
|
Control
|
Yes
|
|
18 - 25
|
19-30
|
Ground
|
Gnd
|
|
|
Pratik Solanki (09067675187)
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