ADLINK Express-BASE6 - Manual (Page 31)

Page 31 Express-BASE6 User’s Manual
CN41/42: Digital I/O
The Express-BASE6 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 on p. 36 for
CN41 LED descriptions.
Pin Signal Pin Signal
1 I/O n.0 11 GND
2 I/O n.1 12 GND
3 I/O n.2 13 GND
4 I/O n.3 14 GND
5 I/O n.4 15 GND
6 I/O n.5 16 GND
7 I/O n.6 17 GND
8 I/O n.7 18 GND
9 INT# 19 BATLOW#
10 3V3 20 +3.3V
Pin Signal Pin Signal
1 Power_LED 11 BUZZER
2 WDT_LED 12 NC
3 GND 13 NC
4 NC 14 +5V
5 GND 15 SYS_RESET
6 GND 16 GND
7 NC 17 ATA_ACT
8 PS_ON 18 +3.3V
9 5V STB 19 PWR_BTN
10 SIO_PME 20 GND
CN32: Miscellaneous
Connector
6.19 Other Connectors
1 11
10 20
CN36/CN39: GPIO Headers
GPIOs of CN36 come from
the COM Express module.
GPIOs of CN36 come from
Express-BASE6.
Pin Signal Pin Signal
1 GPI0 2 GPO0
3 GPI1 4 GPO1
5 GPI2 6 GPO2
7 GPI3 8 GPO3
1 2
7 8