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©2019 NEC Display Solutions, Ltd. Page 70 of 74
16 Frequently Asked Questions
What video resolutions are recommended and supported?
Using the native resolution of 1920x1080 is recommended. Other resolutions may work.
Is the Raspberry Pi Compute Module functionality limited in some way, such as what software or
Operating Systems can be used?
No.
Are the GPIO pins on the Compute Module accessible and open to use?
Currently the header on the NEC Compute Module Interface board is not populated and not supported.
What is the communications speed of the internal serial connection to the display?
9600 baud. No parity. 8 bits data length with 1 stop bit.
What are the differences between the Raspberry Pi Compute Module 3 NEC Edition and the
standard Compute Module?
The Raspberry Pi Compute Module 3 NEC Edition includes 16GB of eMMC onboard storage instead of
the standard 4GB. The NEC edition also includes codec licenses for the MPEG-2 and VC-1 hardware
codecs. These licenses are programmed into the processor during production and do not need to be
included in the config.txt file. Note that the CM3+ is available from RaspberryPi in 8, 16 and 32GB
capacities.
Does NEC provide support for any software or Operating System on the Compute Module?
NEC provides a Python based SDK for accessing the monitor control functionality via the internal serial
connection. Support for other software or Operating Systems are not provided by NEC. See Python
Based NEC PD SDK on page 65.
Does the Compute Module 3 provide any support for Wi-Fi or Bluetooth?
All included network connectivity is via the LAN connections on the display. Wi-Fi and Bluetooth
connectivity can be added by using a 3
rd
party USB dongle connected to the display.
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