21
(5) GPIO1(10-pin): GPIO Header
(2.0 pitch)
9
G
PI
O
8
1
G
ND
G
PI
O
8
3
G
PI
O
8
5
G
PI
O
8
7
G
PI
O
8
0
G
PI
O
8
2
2
Pin 1
10
VCC
G
PI
O
8
4
G
PI
O
8
6
(6) COM5/COM6 (9-pin): RS232 Serial Port Header
(2.54 pitch)
Pin 1
3
5
7
9
2
4
6
8
COM6
COM5
Pin NO. RS232
Pin NO.
RS232
Pin 1
DCD
Pin 2
DSR
Pin 3
SIN
Pin 4
RTS
Pin 5
SOUT
Pin 6
CTS
Pin 7
DTR
Pin 8
RI
Pin 9
GND
