Waveshare 19838 CM4-DUAL-ETH-BASE
Description
Dual Gigabit Ethernet Base for CM4
suitable for evaluating the Raspberry Pi CM4 or being integrated into end products
Powerful Ethernet Capability
Specifications
| CM4 socket | suitable for all variants of Compute Module 4 |
|---|---|
| Ethernet | Dual Gigabit Ethernet RJ45 |
| USB | USB 3.2 Gen1 × 3 |
| Pin header | 40PIN GPIO header × 1 |
| HDMI | HDMI × 2, supports 4K 30fps output |
| DSI display | MIPI DSI display port × 1, 15pin 1.0mm FPC connector |
| CSI camera | MIPI CSI-2 camera port × 2, 15pin 1.0mm FPC connector |
| Power input | 7V-36V |
| Fan | 5V/12V, allows speed adjustment and measurement |
| RTC | Real-time clock with battery socket and ability to wake Compute Module 4 |
| SD card slot | MicroSD card socket for Compute Module 4 Lite (without eMMC) variants |
Connecting with Compute Module 4
standard CM4 socket and color-coded Raspberry Pi 40PIN GPIO headersuitable for Compute Module 4 Lite/eMMC series module
Rich interfaces
providing interfaces including: ETH/CSI/DSI/RTC/HDMI/Micro SD/USB
What's On Board
- CM4 socket suitable for all variants of Compute Module 4
- 40PIN GPIO header for connecting sorts of HATs
- RJ45 Gigabit Ethernet dual RJ45 Gigabit Ethernet, 10/100/1000M compatibleETHERNET 0: CM4 original ETHETHERNET 1: USB extended ETH
- USB 3.2 ports 3x USB 3.2 Gen1, for connecting sorts of USB devices
- HDMI connector s2x HDMI, supports 4K 30fps output
- CAM 2x MIPI CSI camera ports
- DC power supply 7~36V DC wide voltage range power input
- Dual LED indicators red: Raspberry Pi power indicatorgreen: Raspberry Pi operating status indicator
- Micro SD card slot for connecting a Micro SD card with pre-burnt image (Lite variant ONLY)
- FAN header for connecting cooling fan, allows speed adjustment and measurement
- DISP0 MIPI DSI display port
- USB SLAVE port for burning system image into Compute Module 4 eMMC variants
- RTC battery holder supports CR1220 button cell
- RTC interruption configuration PI-RUN: CM4 will reboot on RTC interruption GN-EN: CM4 powerdown on RTC interruption D4: D4 pin is triggered on RTC interruption
- IO-VREF selection set the CM4 IO logic level as 3.3V or 1.8V
- FAN power supply selection select 5V or 12V power to drive the fan
- System function configuration BT_DIS: Bluetooth disabled, for CM4 with antenna variant ONLYWiFi_DIS: WiFi disabled, for CM4 with antenna variant ONLYWP_DIS: boot mode switch, ONLY be used when NOT booted from eMMC or SD card
- RTC/FAN I2C bus selection SDA0/SCL0: I2C-10 is shared with CSI/DSIGPIO3/2: I2C-1 is shared with 40PIN header
- RTL8153 USB Gigabit Ethernet chip
- EMC2301 fan controller, allows fan speed adjustment and measurement
- VL805 USB 3.0 HUB
Outline dimensions
Application example
for reference only, CM4, display, cameras, and fan are NOT included.
Resources & Services
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Selection guide
| CM4 IO Board |
 mini Base |
 Dual Gigabit ETH |
 PoE Base (B) |
 PoE Base |
 Raspberry Pi official |
|
|---|---|---|---|---|---|---|
| Lite Ver. | Full Ver. | |||||
| PoE | N/A | integrates 802.3af-compliant PoE circuit (5V/2.5A) | PoE header only | |||
| USB | USB 2.0 × 2 USB 2.0 × 2 (via FFC connector) | USB 3.2 Gen1 × 3 | USB 2.0 × 4 | USB 3.2 Gen1 × 4 | USB 2.0 × 4 (2x via pin header) | |
| GPIO | Raspberry Pi 40PIN GPIO × 1 | |||||
| Header | M.2 slot × 1 | N/A | RS485 × 1 RS232 × 1 PCIe Gen 2 × 1 | N/A | PCIe Gen 2 × 1 | |
| HDMI | HDMI × 2 (1x via FFC connector) supports 4K 30fps output | HDMI × 2 supports 4K 30fps output | ||||
| DSI Display | MIPI DSI × 1 (15pin 1.0mm FPC) | MIPI DSI × 2(15pin 1.0mm FPC) | MIPI DSI × 2 (22pin 0.5mm FPC) | |||
| CSI Camera | MIPI CSI-2 × 2 (15pin 1.0mm FPC) | MIPI CSI-2 × 2 (22pin 0.5mm FPC) | ||||
| Power Input | 5V | 7V~36V | 5V | 7V~36V | 12V | |
| Fan | 5V | 5V / 12V | 12V | |||
| no fan control | allows speed adjustment and measurement | |||||
| RTC | N/A | Real-time clock with battery socket and ability to wake Compute Module 4 | ||||
| RJ45 Ethernet | Gigabit Ethernet | Dual Gigabit Ethernet | Gigabit Ethernet | |||
| CM4 Socket | suitable for all variants of Compute Module 4 | |||||
| SD Card Slot | MicroSD card socket for Compute Module 4 Lite (without eMMC) variants | |||||
| Dimensions (mm) | 85.0 × 56.0 | 109.0 × 91.5 | 124.50 × 108.80 | 160 × 90 | ||
Package Contents
- CM4-DUAL-ETH-BASE x1
1
| Shipping weight: | 0.12 Kg |
