Other Connectors - ADLINK Technology COM Express Express-BASE7 User Manual

6.18.

Other Connectors

CN36/CN39: GPIO Headers
GPIOs of CN36 come from the COM Express module. GPIOs to CN39 come from Express-BASE7.
Pin Signal
1 GPI0
3 GPI1
5 GPI2
7 GPI3
CN32: Miscellaneous Connector
Pin Signal
1 Power_LED
2 WDT_LED
3 GND
4 NC
5 GND
6 GND
7 NC
8 PS_ON
9 + 5VSB
10 SIO_PME
Note: <<<< indicates default setting
CN41/42: Digital I/O
The Express-BASE7 provides GPIO expansion for I2C applications via a Phillips PCA955 with 16-bit I2C I/O port
and interrupt (for CN41 n=0, for CN42 n=1). See 8.4 Digital I/O LEDs for CN41 LED descriptions.
Pin Signal
1 I/O n.0
2 I/O n.1
3 I/O n.2
4 I/O n.3
5 I/O n.4
6 I/O n.5
7 I/O n.6
8 I/O n.7
9 INT#
10 + 3.3V
Connectors, Pinouts and Jumpers
Pin Signal
2 GPO1
4 GPO2
6 GPO3
8 GPO4
Pin Signal
11 BUZZER
12 NC
13 NC
14 + 5V
15 SYS_RESET
16 GND
17 ATA_ACT
18 + 3.3V
19 PWR_BTN
20 GND
Pin Signal
11 GND
12 GND
13 GND
14 GND
15 GND
16 GND
17 GND
18 GND
19 BATLOW#
20 + 3.3V
1 2
7 8
1 11
10 20
Express-BASE7
33