Difference between revisions of "Template:Compute Module 4 PoE Board B Spec"
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===Overview=== | ===Overview=== | ||
− | + | This is an IO board for evaluating the Raspberry Pi CM4 or being integrated into end products. the board features the PoE function (Type B), which can be used for all variants of CM4. | |
===Dimension=== | ===Dimension=== | ||
− | + | Compute_Module 4 POE Board (B)<br /> | |
− | [[FILE: | + | [[FILE:Compute-Module-4-PoE-Board-B-details-size.jpg|700px]]<br> |
Compute_Module 4 <br /> | Compute_Module 4 <br /> | ||
[[FILE:Compute_Module_4_IO_Board_5.png|700px]]<br> | [[FILE:Compute_Module_4_IO_Board_5.png|700px]]<br> |
Revision as of 11:41, 14 July 2021
Overview
This is an IO board for evaluating the Raspberry Pi CM4 or being integrated into end products. the board features the PoE function (Type B), which can be used for all variants of CM4.
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 header | ~ |
3 | BOOT selection | ON: CM4 would be booted from USB-C interface OFF: CM4 would be booted from eMMC or Micro SD card |
4 | Misc functional pins | ~ |
5 | USB Type-C power supply / programming | 5V/2.5A power supply, also allows burning system image into Compute Module 4 eMMC variants |
6 | Status indicators | ACT: Raspberry Pi operating status indicator PWR: Raspberry Pi power indicator |
7 | DISP | 2x MIPI DSI display port |
8 | CAM | 2x MIPI CSI camera connectors. |
9 | USB2.0 ports | 4x USB2.0 ports, for connecting sorts of USB devices |
10 | HDMI ports | 2x HDMI ports, supports dual 4K 30fps output |
11 | RTC battery holder | supports CR1220 button cell |
12 | FAN header | for connecting cooling fan, allows speed adjustment and measurement |
13 | PCIe Gen 2 × 1 socket | forconnecting PCIe Gen 2 × 1 modules |
14 | Gigabit Ethernet connector | Gigabit Ethernet RJ45 with PoE support, 10/100/1000M compatible |
15 | DC 5V output | ~ |
16 | RS485 | with 600W lightning-proof, anti-surge, and 15KV ESD protection, reversed optional 120R balancing resistor jumper |
17 | RS232 | with TVS diode, anti-surge, and ESD protection |
18 | Buzzer | ~ |
19 | FAN_VDD/PoE selection | cooling fan driving voltage: 12V or 5V PoE: enable (EN) or disable (DIS) |
20 | FE1.1S | USB expansion chip |
21 | PCF52063ATL | RTC chip |
22 | RTC/FAN | I2C bus switch, SDA0/SCL0: I2C-10 is shared with CSI/DSI GPIO3/2: I2C-1 is shared with 40PIN header |
23 | IO logic level selection | set the CM4 IO logic level as 3.3V or 1.8V |
24 | 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 |
25 | Micro SD card slot | insert a Micro SD card with pre-burnt system, to start up Compute Module 4 Lite |