From Low cost, low power, android ARM system board by Mini-Box.com - pico WiKi
Revision as of 18:50, 9 November 2011 by Npavel
J9 Connector provides SPI port 1, I2C port 1 , serial 2 (UART2) and GPIO
On J9, you can enable the actions for the HOME, BACK and MENU Android buttons.
- Pin 11 - BACK button,
- Pin 12 - HOME button,
- Pin 13 - MENU button.
- For Ground you can use a single pin. Pin 5 or pin 6.