SBC84620 AMD
®
Geode GX3 All-in-One Capa Board User’s Manual
Jumpers and Connectors
29
2.4.12.3 COM2/COM4 Port Connector (CN10)
Pin
Signal
Pin
Signal
1 NDCD2
11 NDCD4
2 NDSR2
12 NDSR4
3 NRX2
13 NRX4
4 NRTS2
14 NRTS4
5 NTX2
15 NTX4
6 NCTS2
16 NCTS4
7 NDTR2
17 NDTR4
8 NRI2
18 NRI4
9 GND
19 GND
10 N.C
20 N.C
CN10
20
19
1
2
2.4.12.4 COM1 (CN13) RS-422/485 Pin Assignment Table
Signal Name
Pin #
RS-422
RS-485
1 TX- DATA-
2 TX+ DATA+
3 RX+
No
connector
4 RX-
No
connector
5
No connector
No connector
6
No connector
No connector
7
No connector
No connector
8
No connector
No connector
9 GND
GND