Standard Pc Parallel Port - Texas Instruments TRF4900 User Manual

Standard PC Parallel Port

2.5 Standard PC Parallel Port
A standard PC parallel port is configured as follows:
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Note:
2-12
View Is Looking at
1 13
Connector Side of
DB-25 Male Connector
14 25
Description
Strobe PC Output
Data 0 PC Output
Data 1 PC Output
Data 2 PC Output
Data 3 PC Output
Data 4 PC Output
Data 5 PC Output
Data 6 PC Output
Data 7 PC Output
ACK PC Input
Busy PC Input
Paper Empty PC Input
Select PC Input
Auto Feed PC Output
Error PC Input
Initialize Printer PC Output
Select Input PC Output
The TRF4900 EVM uses pins 2–9 for signals from the PC to the EVM.
Pin Assignments
Note: 8 Data Outputs
4 Misc Other Outputs
5 Data Inputs
Note: Pins 18−25 Are
Ground