CM4-to-CM3-Board

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CM4-to-CM3-Board
CM4-to-CM3-Board110.png

Compute Module 3 Adapter
HDMI, CSI, DSI
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Overview

Introduction

CM4-TO-CM3 Board adapter is an alternative solution for Raspberry Pi Module 3.

Onboard Resource Comparision

Onboard Resource
CM4-to-CM3-Board CM4
HDMI HDMI0
GPIO0~27 GPIO0~27
GPIO28, GPIO29 GPIO44(SDA0), GPIO45(SCL0)
GPIO31, GPIO33 CAM_GPIO
GPIO30, GPIO32, GPIO33~45 NC
CSI0 CSI1
CSI1 CSI0
DSI0 DSI1
DSI1 DSI0
USB2.0 USB2.0
SDIO SDIO

Onboard Resource

CM4-to-CM3-Board08.png

  • CM4 connector: for connecting the CM4.
  • CM4 working status indicator: used to judge whether CM4 is working.
  • MP28164: DC buck-boost chip.
  • Power supply selection: the resistor on the left - direct power supply; the resistor on the right - power supply after passing through the DC buck-boost chip (by default).
  • IO level selection: select the IO level of CM4 (3.3V is selected by default).
  • CM3 interface: used to connect to the CM3 baseboard.

Resource

Manual

Official Manual

Software