CM5-NANO-B-M Carrier Board with Headers - Waveshare 33760

Description

The Waveshare CM5-NANO-B-M carrier board is designed for Raspberry Pi Compute Module 5, including Lite models and versions equipped with eMMC storage. Measuring 55 × 41mm, the board provides essential communication and multimedia interfaces in a footprint comparable to the CM5 module itself. Its compact design supports the development of embedded computers, network devices, human-machine interfaces, and space-constrained electronic systems.

The carrier board includes a Gigabit Ethernet RJ45 port, a USB 3.2 Gen1 Type-A port, a Mini HDMI connector supporting 4K output, and a 3.5mm audio jack using a USB audio interface. Two 4-lane MIPI CSI/DSI interfaces use 22-pin FPC connectors with 0.5mm pitch for compatible cameras and displays. A 16-pin PCIe Gen2/3 x1 connector enables system expansion through compatible PCIe adapter boards.

CM5 Lite modules without onboard eMMC can use the microSD card slot for operating system storage. The USB-C port provides 5V/5A power input or an interface for flashing eMMC storage from a computer. The BOOT button enables firmware flashing mode, while the PSW button provides power control. Other components include a user button connected to GPIO21, a dual-color status LED, an RTC backup battery connector, and a 4-pin PWM cooling fan header.

The offered Waveshare 33760 version features a factory-soldered 40-pin GPIO header for connecting compatible Raspberry Pi HAT expansion boards and jumper wires. The CM5-NANO-B-M variant differs from the standard CM5-NANO-B, which includes a separate unsoldered GPIO header. Raspberry Pi Compute Module 5, power adapter, microSD card, RTC battery, and cooling fan are not included.

Onboard components and connectors

The diagram shows the component layout shared by CM5-NANO-B and CM5-NANO-B-M variants. The offered SKU 33760 includes the factory-soldered GPIO header.

1. Raspberry Pi CM5 connector - supports all Compute Module 5 variants
2. PCIe connector - 16-pin PCIe Gen2/3 x1 interface for compatible adapter boards
3. microSD (TF) card slot - operating system storage for CM5 Lite variants only
4. Additional function pins - signal connections for hardware expansion
5. Mini HDMI port - video output with 4K support
6. BOOT button - enters eMMC flashing mode when held during power-on
7. PSW button - system power control
8. 3.5mm audio jack - audio connection through the onboard USB audio interface
9. USB-C port - 5V/5A power supply input or eMMC programming
10. RTC battery connector - 2-pin JST-SH for an optional backup battery
11. Cooling fan connector - 4-pin JST-SH header with PWM control
12. Gigabit Ethernet port - RJ45 supporting 10/100/1000Mbps
13. Dual-color status LED - red power indicator and green Raspberry Pi activity indicator
14. User button - connected to GPIO21
15. USB 3.2 Gen1 port - USB-A interface supporting up to 5Gbps
16. Dual MIPI CSI/DSI connectors - 4-lane interfaces for compatible cameras and displays
17. 40-pin GPIO header - factory-soldered connector for Raspberry Pi expansion hardware

Features

• Compatibility and construction
  • Compatible with all Raspberry Pi Compute Module 5 variants
  • Supports CM5 Lite and eMMC versions
  • Version: CM5-NANO-B-M
  • Factory-soldered GPIO header: 2 × 20-pin, 2.54mm pitch
  • Board dimensions: 55 × 41mm
  • Raspberry Pi Compute Module 5 not included
• Communication interfaces
  • Ethernet: 1 × RJ45 Gigabit Ethernet, 10/100/1000Mbps
  • USB 3.2 Gen1: 1 × Type-A port, up to 5Gbps
  • PCIe: 1 × 16-pin connector, PCIe Gen2/3 x1
  • GPIO: 40-pin Raspberry Pi header
  • Additional function signal connections
• Video and audio
  • Video output: 1 × Mini HDMI with 4K support
  • MIPI CSI/DSI: 2 × 4-lane interfaces
  • MIPI connectors: 22-pin FPC, 0.5mm pitch
  • Audio: 1 × 3.5mm jack with USB audio interface
• Storage and power
  • microSD card slot for CM5 Lite variants without eMMC
  • Power input: 5V DC, 5A
  • USB-C port for power input and eMMC flashing
  • RTC battery connector: 2-pin JST-SH
  • Cooling fan connector: 4-pin JST-SH, PWM
  • Maximum USB-A output current: 2A according to manufacturer documentation
• Controls and indicators
  • BOOT button for flashing mode
  • PSW power control button
  • User button connected to GPIO21
  • Dual-color LED for power and system activity
• Additional information
  • Manufacturer: Waveshare
  • Model: CM5-NANO-B-M
  • Manufacturer SKU: 33760
  • Factory-soldered 40-pin GPIO header version

Kit Includes

• CM5-NANO-B-M carrier board with factory-soldered 40-pin GPIO header - 1 pc.