Com5, Com6, Com4, Com3 Rs-232 Serial Port; Digital I/O (Cn14) - Aaeon EMB-9459T User Manual

M i n i - I T X
21 BUSY
23 PE
25 SELECT
2.20 COM5, COM6, COM4, COM3 RS-232 Serial Port Connector
(CN12, CN13, CN15, CN16)
Pin Signal
1 DCD
3 TXD
5 GND
7 RTS
9 RI

2.21 Digital I/O (CN14)

This connector offers 4-pair of digital I/O functions and address is 2A1H. The
pin definitions are illustrated below:
Pin Signal
1 Digital- IN/OUT
3 Digital- IN/OUT
5 Digital- IN/OUT
7 Digital- IN/OUT
9 +5V
Note:
The max. rating of Pin 1~ Pin 8 is 5V @ 8mA
The max. rating of Pin 9 is 5V @0.5A
The pin definitions and registers mapping are illustrated below:
Address: 2A1H
4 in / 4 out
Pin1 Pin2
GPI 27 GPI 26
Pin3 Pin4
GPI 25 GPI 24
E M B - 9 4 5 9 T R e v . B
22 GND
24 GND
26 N.C
Pin Signal
2 RXD
4 DTR
6 DSR
8 CTS
10 N.C
Pin Signal
2 Digital- IN/OUT
4 Digital- IN/OUT
6 Digital- IN/OUT
8 Digital- IN/OUT
10 GND
Pin5 Pin6
GPO 23 GPO 22
Chapter 2 Quick Installation Guide
Pin7 Pin8
GPO 21 GPO 20
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