Intel Edison Compute Module (IoT) Dokumentacja Pobierz pdf (Strona 25)

Shield pin configuration

9 Buttons

This section explains the software functionality of the Intel® Edison kit for Arduino* buttons.

The Intel® Edison kit for Arduino* has the following buttons:

• System reset. Pressing the system reset button (SW1UI5) will reset the Intel® Edison compute module, and

reset the I/O expanders, setting all the shield pins to high impedance state with no pullups.

• Shield reset. Pressing the shield reset button (SW1UI1) will pull the shield signal reset to the active low

state. It does not affect the state of the Intel® Edison compute module or its I/O.

• Power button. The power button (SW1UI2) is configured by software. In general, pressing and holding this

button will cause the Intel® Edison compute module to power down. (It will leave the I/O configuration in the

port expanders in its current state.) Pressing this button momentarily when the Intel® Edison compute

module is powered down (but power is still applied) will cause the Intel® Edison compute module to reboot.

If the Intel® Edison compute module is running, then a momentary press will cause the Intel® Edison

compute module to go into low power sleep mode. Pressing the button momentarily when the Intel® Edison

compute module is asleep, will bring the Intel® Edison compute module into full power mode. You must

press and hold SW1U15 for 8 seconds to reset the Intel® Edison compute module. Pressing the reset button

for 4 seconds will restart the Intel® Edison compute module.

9.1 FWR_RCVR and RCVR_MODE

SW1UI3 and SW1UI4 are for factory use only.

Intel® Edison Kit for Arduino*

December 2014 Hardware Guide

Document Number: 331191-004 25

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Intel Edison Compute Module (IoT) Dokumentacja Strona 25