Adlink Express-BASE Manual de usuario descargar pdf (Pagina 33)

Page 33Express-BASE User’s Manual

CNY2-3: Digital I/O

The Express-Base provides

GPIO expansion for I²C

applications via a Phillips

PCA955 with 16-bit I²C

I/O port and interrupt.

Pin Signal Pin Signal

1 I/O 0 11 GND

2 I/O 1 12 GND

3 I/O 2 13 GND

4 I/O 3 14 GND

5 I/O 4 15 GND

6 I/O 5 16 GND

7 I/O 6 17 GND

8 I/O 7 18 GND

9 INT# 19 BATLOW#

10 3V3 20 +3.3V

Pin Signal Pin Signal

1 Power LED 11 Speaker

2 Power LED 12 Speaker

3 Power LED 13 Speaker

4 Keyboard Lock 14 Speaker

5 Keyboard Lock 15 RESET

6 NC 16 RESET

7 NC 17 HDD LED

8 NC 18 HDD LED

9 NC 19 Power Button

10 NC 20 Power Button

CN29: Miscellaneous

Connector

6.17 Other Connectors

1 11

10 20

CN25: GPIO Header

GPIOs of CN25 come from

the COM Express module.

Pin Signal Pin Signal

1 GPI0 2 GPO0

3 GPI1 4 GPO1

5 GPI2 6 GPO2

7 GPI3 8 GPO3

12

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1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 45 46

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