SoM-250ES_User_Manual_v1.40.doc
-14-
Rev 1.4 © 2014 EMAC, Inc.
4.14
PCD Expansion Connector (ABJ1)
Pin
Signal
Pin
Signal
1
VIN
2
RESET OUT
3
GND
4
SPI_MOSI
5
INT2 (5V)
6
SPI_MISO (5V)
7
SPI_CS0
8
SPI_CLK
9
5V
10
GPIO15
4.15
Touch Screen Connector (CN1)
Pin
Signal
1
Y+
2
X+
3
Y-
4
X-
4.16
Touch Screen Connector (CN3)
Pin
Signal
1
Y+
2
X+
3
Y-
4
X-
4.17
LCD Backlight Connector (CN4)
Pin
Signal
1
VOUT (+)
2
SWITCHED GND (-)
