NEC MPI4E RaspberryPi 4 System on a Chip Solution

Raspberry Pi Compute Module Setup Guide - Page 48

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©2021 Sharp NEC Display Solutions, Ltd. Page 48 of 86
6.10 Slot Compute Module Advanced Setting IR Signal
Available options: Enable / Disable
Enables or disables the forwarding of IR Remote signals, received from the display’s internal remote
control sensor and optional external IR sensor, to the Compute Module via GPIO 18.
See section 3.4 Software control via IR Remote on page 24 for more details on using this feature.
6.11 Slot Compute Module Advanced Setting Monitor Control
Available options: Enable / Disable
Enables or disables the internal serial connection between the display and Compute Module. If set to
Enable, communications is available via GPIO 14 & 15. This GPIO will normally appear as a TTY device.
Make sure the Operating System does not send boot console debug messages to the UART serial port; it
may cause erratic behavior in the display (such as the OSD flashing, random operations being performed,
slow bootup of the Compute Module, etc.).
6.12 Slot Compute Module Advanced Setting WDT
Available options: Enable / Disable
Enables or Disables the display’s built in Watchdog Timer function for the Compute Module.
When set to Enable, the display will expect to receive a periodic reset command from the Compute
Module via the internal UART. If the command is not received for three consecutive timeout periods, the
display will restart the Compute Module.
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