Manual

AR-B1851 User’s Guide

AR-B1851

3.11 8-BIT GPIO Connector(GPIO1)

• GPIO1: 8 BIT GPIO Connector

3.12 Parallel port(PRN1)

This port is usually connected to a printer. The AR-B1851 includes an on-board

parallel port.

• PRN1: Parallel Port Connector

PIN DESCRIPTION PIN DESCRIPTION

1 GP10 2 GP11

3 GP12 4 GP13

5 GP14 6 GP15

7 GP16 8 GP17

9 GND 10 VCC

PIN DESCRIPTION PIN DESCRIPTION

1 STB- 14 AFD-

2 PD0 15 ERR-

3 PD1 16 INIT-

4 PD2 17 SLIN-

5 PD3 18 GND

6 PD4 19 GND

7 PD5 20 GND

8 PD6 21 GND

9 PD7 22 GND

10 ACK- 23 GND

11 BUSY 24 GND

12 PE 25 GND

13 SLCT 26 X