BIGTREETECH CB2 User Manual
4
1. Product Profile
The BIGTREETECH CB2, compatible with the Raspberry Pi CM4 form factor, uses two
100-pin high-speed board-to-board (BTB) connectors for easy and quick connection
with external expansion baseboards. It offers an alternative with similar IO capabilities,
including Micro HDMI, USB, Gigabit Ethernet, DSI, and CSI outputs. Additionally, it
features 2.4G and 5G WiFi, Bluetooth 5.2, the Rockchip RK3566 SoC, 2GB LPDDR4
RAM, and 32GB eMMC storage.
1.1. Feature Highlights
CPU: Rockchip RK3566, quad-core Cortex-A55 @1.8GHz
GPU: Mali-G52 1-Core-2EE
NPU: 0.8 TOPS NPU
RAM: 2GB/4GB LPDDR4
Onboard EMMC
MIPI DSI display support
Dual-lane MIPI CSI-2 Camera Interface
3x USB 2.0 ports, 1x USB 3.0 port
PCIe 2.1 1x1 Lane
Gigabit Ethernet +433Mbps WiFi+BT5.0
40-pin GPIO
BTB socket that is completely identical to the one on the Raspberry Pi CM4
1.2. Specifications
Dimensions: 40mm x 55mm
Mounting Dimensions: 33mm x 48mm
Input Voltage: 5V±5%/2A
Output Voltage: 3.3V±2%/100mA
Output Voltage: 1.8V±2%/100mA
WIFI: 2.4G/5G, 802.11 ac/a/b/g/n/ wireless standards