NEC MPI4E Raspberry Pi Compute Module Setup Guide

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Contents

Introduction ................................................................................................................................. 2

Contents ...................................................................................................................................... 3

Revision History .......................................................................................................................... 7

Basic Features ............................................................................................................................ 8

GPIO Summary .......................................................................................................................... 10

Interface Board internal connections and jumpers ............................................................... 10

Requirements ............................................................................................................................ 10

Important Cautions ................................................................................................................... 11

About Wireless Connectivity (Wi-Fi and Bluetooth) .............................................................. 11

Operating System Programming Procedure .......................................................................... 12

1 Basic Setup and Configuration Steps ............................................................................... 13

2 Installing the Compute Module and NEC Compute Module Interface Board to the

Display ................................................................................................................................. 14

3 Connections and Internal Operation ................................................................................. 20

3.1 USB device connections to the Compute Module ...................................................................... 20

3.2 USB connections for programming the Compute Module ......................................................... 20

3.3 LAN connections ......................................................................................................................... 22

3.4 Software control via IR Remote .................................................................................................. 24

3.5 GPIO ............................................................................................................................................ 27

4 Preparing and running the tools to program the Compute Module ............................... 28

4.1 Using a Windows PC as a host .................................................................................................... 28

5 Miscellaneous Configuration Items ................................................................................... 33

5.1 Enabling the onboard USB 2.0 controller ................................................................................... 33

5.2 Enabling 4K@60Hz video output ................................................................................................ 33

5.3 Configuring the correct HDMI video level encoding and decoding ............................................ 33

5.4 To disable overscan (if black bars are visible on the sides of the screen) .................................. 35

5.5 To rotate the screen image to portrait orientation .................................................................... 35

5.6 To enable support for the IR Remote receiver using “lirc” ......................................................... 36

5.7 To test support for the IR Receiver by outputting raw data ....................................................... 37

5.8 To enable the serial port (UART) to the display and allowing application access ...................... 37

5.9 Testing internal serial communications to the display using the Python based NEC PD SDK .... 38

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NEC MPI4E RaspberryPi 4 System on a Chip Solution

Raspberry Pi Compute Module Setup Guide - Page 3