Template: CM4-DUAL-ETH-BASE Spec

Overview

CM4-DUAL-ETH-BASE is a base board that can be used with Raspberry Pi Compute Module 4, and supports 7~12V DC power supply, onboard three USB3.2, dual Gigabit Ethernet ports.

Dimension

Compute_Module 4 POE Board (B)

Compute_Module 4

What's on board

No.	Component	Description
1	CM4 socket	Suitable for all variants of Compute Module 4
2	40PIN GPIO	Connect HAT module
3	Gigabit Ethernet connector	Dual RJ45 Gigabit Ethernet ports, support 10/100/1000M network access ETHERNET 0: CM4 native network port ETHERNET 1: USB extended network port
4	USB 3.2	3-way USB 3.2 Gen1 interface, support various USB device insertion
5	HDMI	Dual HDMI ports, support dual 4K 30fps output
6	CAM	Dual MIPI CSI camera interface
7	DC Power	7~36V DC wide voltage power supply
8	Dual LED	Red light: Raspberry Pi power indicator Green light: Raspberry Pi working status indicator
9	Micro SD	Used to connect the Micro SD card with the system to start Compute Module 4 Lite
10	FAN	Convenient access to cooling fans, support speed regulation and speed measurement
11	DISP0	MIPI DSI Display interface
12	USB SLAVE	Compute Module 4 eMMC Version can burn the system image through this interface
13	RTC Battery connector	Can be connected to CR1220 button battery
14	RTC Interrupt pin switching	PI-RUN: RTC trigger interrupt CM4 restart GN-EN: RTC trigger interrupt CM4 power off D4: RTC trigger interrupt D4 pin
15	IO-VREF selection	CM4 IO logic voltage switch 3.3V or 1.8V
16	FAN power supply options	can choose 5V or 12V voltage to drive the fan
17	System function switch	BT_DIS: Bluetooth disabled, only for CM4 version with antenna WiFi_DIS: WiFi disabled, only for CM4 version with antenna WP_DIS: Start mode switch, only For use without EMMC boot or SD boot
18	RTC/FAN I2C bus selection	SDA0/SCL0: I2C-10 and CSI/DSI shared GPIO3/2: I2C-1 and 40PIN shared
19	RTL8153	USB Gigabit LAN Chip
20	EMC2301	Fan controller, control fan speed, measure fan speed
21	VL805	USB 3.0 HUB