Description
Compute Module 4 PoE Board (B)
Suitable For Evaluating The Raspberry Pi CM4 Or Being Integrated Into End Products
PoE Base Board for all Compute Module 4 Variants
Specifications
| CM4 SOCKET | suitable for all variants of Compute Module 4 |
|---|---|
| NETWORKING | Gigabit Ethernet RJ45 connector, integrates 802.3af-compliant PoE circuit (5V/2.5A) |
| CONNECTOR | Raspberry Pi 40PIN GPIO header, non-isolated RS485, non-isolated RS232, PCIe Gen 2 × 1 |
| USB | USB 2.0 Type A × 4 |
| DISPLAY | MIPI DSI display port × 2 (15pin 1.0mm FPC connector) |
| CAMERA | MIPI CSI-2 camera port × 2 (15pin 1.0mm FPC connector) |
| VIDEO | HDMI port × 2, supports 4K 30fps output |
| RTC | Real-time clock with battery socket and ability to wake Compute Module 4 |
| STORAGE | MicroSD card socket for Compute Module 4 Lite (without eMMC) variants |
| FAN HEADER | allows speed adjustment and measurement, 5V / 12V |
| POWER INPUT | 5V |
| DIMENSIONS | 124.5 × 108.8mm |
Connecting With Compute Module 4
Standard CM4 Socket And Color-Coded Raspberry Pi 40PIN GPIO Header
Suitable For All Variants Of Compute Module 4
Rich Peripheral Connectors
Onboard Connectors Including CSI/DSI/HDMI/USB/ETH/PCIe/RS232/RS485
What’s On Board
- CM4 socket
suitable for all variants of Compute Module 4 - 40PIN GPIO header
- BOOT selection
ON: CM4 would be booted from USB-C interface
OFF: CM4 would be booted from eMMC or Micro SD card - Misc functional pins
- USB Type-C power supply / programming
5V/2.5A power supply,
also allows burning system image into Compute Module 4 eMMC variants - Status indicators
ACT: Raspberry Pi operating status indicator
PWR: Raspberry Pi power indicator - DISP
2x MIPI DSI display port - CAM
2x MIPI CSI camera ports - USB2.0 ports
4x USB2.0 ports, for connecting sorts of USB devices
- HDMI ports
2x HDMI ports, supports dual 4K 30fps output - RTC battery holder
supports CR1220 button cell - FAN header
for connecting cooling fan, allows speed adjustment and measurement - PCIe Gen 2 × 1 socket
forconnecting PCIe Gen 2 × 1 modules - Gigabit Ethernet connector
Gigabit Ethernet RJ45 with PoE support, 10/100/1000M compatible - DC 5V output
- RS485
with 600W lightningproof, anti-surge, and 15KV ESD protection,
reversed optional 120R balancing resistor jumper - RS232
with TVS diode, anti-surge, and ESD protection - Buzzer
- FAN_VDD/PoE selection
cooling fan driving voltage: 12V or 5V
PoE: enable (EN) or disable (DIS)
- FE1.1S
USB expansion chip - PCF52063ATL
RTC chip - RTC/FAN
I2C bus switch,
SDA0/SCL0: I2C-10 is shared with CSI/DSI
GPIO3/2: I2C-1 is shared with 40PIN header - IO logic level selection
set the CM4 IO logic level as 3.3V or 1.8V
- 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 - Micro SD card slot
insert a Micro SD card with pre-burnt system, to start up Compute Module 4 Lite
Outline Dimensions
Application Example
Suitable For PoE Powered Raspberry Pi Projects, Or Other Industrial Context
for reference only, CM4, display, and cameras are NOT included.
Resources & Services
* Resources for different product may vary, please check the wiki page to confirm the actually provided resources.
Reviews
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