User`s manual

EM-1240 Hardware User’s Manual EM-1240-DK Functionality

3-6

GPIO

GPIO Signal Pin Header JP7

ls function. Use the

GPIO pin header for connecting with devices. See the

following figure for GPIO pinouts.

The EM-1240 Development Kit has 10 GPIOs. You may

configure digital input channels and digital output

channels by software. Note that the GPIO function will

not work if you enable the SD signa

CCV

Mechanical Specifications of Console and Serial Ports Pin

Header

Refer to the following figure for the specifications of console and serial ports of the EM-1240-DK.

Reset B

always

use the software reboot command />reboot to protect the integrity of data being transmitted or

processed. The Reset button is not designed to hard reboot the EM-1240 Development Kit.

utton

Press the Reset button on the EM-1240-DK continuously for at least 5 seconds to load the factory

default configuration. After the factory default configuration has been loaded, the system will

reboot automatically. We recommend that you only use this function if the software is not working

properly and you want to load factory default settings. To reset an embedded Linux system,