Template: CM4-DUAL-ETH-BASE Spec
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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 中断管脚切换 | PI-RUN： RTC 触发中断 CM4 重启 GN-EN： RTC 触发中断 CM4 断电 D4： RTC 触发中断 D4 管脚 | |
| 15 | IO-VREF 选择 | CM4 IO 逻辑电压切换 3.3V 或者 1.8V | |
| 16 | FAN 供电选择 | 可选择 5V 或 12V 电压驱动风扇 | |
| 17 | 系统功能切换 | BT_DIS： 蓝牙禁用，仅供带天线的 CM4 版本使用 WiFi_DIS： WiFi 禁用，仅供带天线的 CM4 版本使用 WP_DIS： 启动方式切换，仅供不使用 EMMC 启动或 SD 启动的情况下使用 | |
| 18 | RTC/FAN I2C 总线选择 | SDA0/SCL0： I2C-10 和 CSI/DSI 共用 GPIO3/2： I2C-1 和 40PIN 共用 | |
| 19 | RTL8153 | USB 千兆网卡芯片 | |
| 20 | EMC2301 | 风扇控制器，控制风扇转速，测量风扇转速 | |
| 21 | VL805 | USB 3.0 HUB |