User's Manual

3301630 User’s Manual I/O Port Pin Assignment
Serial Port
41
A.5 <Serial Port>
Connector: CN_COM12/CN_COM34
Type: 20-pin (10 x 2) 1.27mm x 2.54mm-pitch header
Pin Description Pin Description
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N/C
11 DCD 12 RXD
13 TXD 14 DTR
15 GND 16 DSR
17 RTS 18 CTS
19 RI 20 N/C
1
20
19
2