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Jumpers and Connectors (Cont.)
DI/O Pin Definition (DB9)
Pin
Definition
1
GND
2
GPIO4
3
GPIO0
4
GPIO5
5
GPIO1
6
GPIO6
7
GPIO2
8
GPIO7
9
GPIO3
Touch Power Select (JP2)
(1-2) P5
Connect resistive touchscreen (default)
NC P6
Disconnect resistive touchscreen
1
2
P5
LCD Power Select (JP3)
(1-2) P7
+V5
(2-3) P8
+V3.3 (default)
1
2
3
P7
Enable Power Select (JP4)
(1-2) P9
+V5
(2-3) P10
+V3.3 (default)
1
2
3
P9
6 PPC-MB-620 Startup Manual
1
2
P6
1
2
3
P8
1
2
3
P10
Jumpers and Connectors (Cont.)
LVDS PWM Power Select (JP5)
(1-2) P11
+V5
(2-3) P12
+V3.3 (default)
1
2
3
P11
COM Ring Select (JP6)
(1-3)/(2-4)
COM 2/1 ring (default)
P13/P14
(3-5)/(4-6)
COM 2/1 5V
P15/P16
(7-9)/(8-10)
COM 2/1 12V
P17/P18
2
4
6
8
10
1
3
5
9
7
P13
2
4
6
8
10
1
3
5
7
9
P15
2
4
6
8
10
1
5
9
3
7
P17
1
2
3
P12
2
4
6
8
10
1
5
9
3
7
P14
2
4
6
8
10
1
5
9
3
7
P16
2
4
6
8
10
1
3
5
7
9
P18
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