23
GPIO (10-pin): GPIO & 80 Port Header
(2.0 pitch)
Pin1
2
GPI
O
80
G
ND
GPI
O
82
GPI
O
84
GPI
O
86
GPI
O
81
V
CC
GPI
O
85
GPI
O
83
GPI
O
87
JP80P Open: For 80Port Function;
JP80P Closed: Normal 8-bit GPIO
.
*Note
:
Maximum current limit is
1A
while using 5V working voltage
COM2/3/4/5/6 (9-pin): RS232 Serial Port Headers
(2.0 pitch)
Pin NO. Pin 6 Pin 7 Pin 8 Pin 9
RS232 DSR
RTS
CTS
RI
Pin NO. Pin 1 Pin 2 Pin 3 Pin 4 Pin 5
RS232 DCD
RXD
TXD
DTR
GND
GPIO
COM4
COM2
COM3
COM5
COM6
Pin1
6