NEC MPI4E Raspberry Pi Compute Module Setup Guide

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• Disable (Default) – Power to the Compute Module will remain on even when the display is in

standby mode.

6.6 Slot  Compute Module  Power Setting  Power Supply Off

Delay

Available options: adjustable between 30 – 600 seconds

This sets the time delay after the Shutdown Signal is set until the power to the Compute Module is turned

off. Configure this to allow adequate time for any software to shutdown safely.

Note that a monitoring utility must be installed to watch the GPIO 23 shutdown signal.

Note: For use only when the AUTO SHUTDOWN is set to ENABLE.

6.7 Slot  Compute Module  Power Setting  Auto Display Off

Available options: Enable / Disable

Allows the display to switch into standby power save mode when the Compute Module signals that it has

transitioned into shutdown via the RUN_PG signal. Note that this signal is only output from the Compute

Module if the following settings are made to the Compute Module 4’s EEPROM:

WAKE_ON_GPIO=0

POWER_OFF_ON_HALT=1

Please see the documentation from Raspberry Pi for instructions on how to change the Compute

Module’s EEPROM settings.

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NEC MPI4E RaspberryPi 4 System on a Chip Solution