1.35
Misc. General Purpose I/O (HDR1)
Pin
Signal
Pin
Signal
1
3
3.3V
GPIO1
2
4
3.3V
GPIO4
5
GPIO2
6
GPIO5
7
GPIO3
8
GPIO6
9
INT0
10
GPIO7
11
INT1
12
GND
13
OSC0
14
GND
15
OSC1
16
GND
17
ADC4
18
GND
19
NC
20
GND
21
NC
22
GND
23
NC
24
GND
25
SPI_MISO
26
GND
27
SPI_MOSI
28
GND
29
31
33
35
37
39
41
43
SPI_CLK
SPI_CS3
SPI_CS1
I2C_DAT
I2C_CLK
*SOM_RSTOUT
5V_VCC
GND
30
32
34
36
38
40
42
44
GND
GND
GND
GND
GND
GND
5V_VCC
GND
1.36
Touch Screen Connector (CN1)
Pin
Signal
1
Y+
2
X+
3
Y-
4
X-
1.37
Touch Screen Connector (CN3)
Pin
Signal
1
Y+
2
X+
3
Y-
4
X-
1.38
LCD Backlight Connector (CN4)
Pin
Signal
1
VOUT (+)
2
SWITCHED GND (-)
