Waveshare 20157 Compute Module 4 PoE Board (B)
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 VariantsWhat's the differences
CM4 IO Board | Waveshare mini IO Board | Waveshare PoE IO Board (B) | Waveshare PoE IO Board | Raspberry Pi IO Board | |
---|---|---|---|---|---|
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 2.0 × 4 | USB 3.2 Gen1 × 4 | USB 2.0 × 2 USB 2.0 × 2 (via pin header) | |
Header | 40PIN GPIO × 1 M.2 slot × 1 | 40PIN GPIO × 1 RS485 × 1 RS232 × 1 standard PCIe Gen 2 × 1 | 40PIN GPIO × 1 | 40PIN GPIO × 1 standard PCIe Gen 2 × 1 | |
HDMI | HDMI × 1 HDMI × 1 (via FFC connector) supports 4K 30fps output | HDMI × 2 supports 4K 30fps output | |||
DSI Display | MIPI DSI display port × 1 (15pin 1.0mm FPC connector) | MIPI DSI display port × 2 (15pin 1.0mm FPC connector) | MIPI DSI display port × 2 (22pin 0.5mm FPC connector) | ||
CSI Camera | MIPI CSI-2 camera port × 2 (15pin 1.0mm FPC connector) | MIPI CSI-2 camera port × 2 (22pin 0.5mm FPC connector) | |||
Power Input | 5V | 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 | |||
Ethernet | Gigabit Ethernet RJ45 | ||||
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 | 124.50 × 108.80 | 160 × 90 |
Connecting with Compute Module 4
standard CM4 socket and color-coded Raspberry Pi 40PIN GPIO headersuitable 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 lightning-proof, 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/DSIGPIO3/2: 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.
Package Contents
- Compute Module 4 PoE Board (B) x1
1
Shipping weight: | 0.18 Kg |