User manual

97 AIMB-203 User Manual
Appendix A I/O Pin Assignments
A.22 8-bit General Purpose I/O Pin Header (GPIO1)
A.23 COM2 ~ COM5 Box Header (COM2345)
Pin Signal Pin Signal
1 GPIO0 2 GPIO4
3 GPIO1 4 GPIO5
5 GPIO2 6 GPIO6
7 GPIO3 8 GPIO7
9+5V 10GND
Pin Signal Pin Signal
1 DCD# [2] 2 DSR# [2]
3 RXD [2] 4 RST# [2]
5 TXD [2] 6 CTS# [2]
7 DTR# [2] 8 RI [2]
9GND 10GND
11 DCD# [3] 12 DSR# [3]
13 RXD [3] 14 RST# [3]
15 TXD [3] 16 CTS# [3]
17 DTR# [3] 18 RI [3]
19 GND 20 GND
21 DCD# [4] 22 DSR# [4]
23 RXD [4] 24 RST# [4]
25 TXD [4] 26 CTS# [4]
27 DTR# [4] 28 RI [4]
29 GND 30 GND
31 DCD# [5] 32 DSR# [5]
33 RXD [5] 34 RST# [5]
35 TXD [5] 36 CTS# [5]
37 DTR# [5] 38 RI [5]
39 GND 40 GND