User Manual

Chapter 2 Hardware Information 9
Rockchip RK3399 Platform
RICO-3399
2.4 List of Connectors
Please refer to the table below for all of the boards connectors that you can configure
for your application
Label
Function
CN1
RTC Battery Connector
CN2
I-PEX Connector for Wi-Fi
CN3H3
mPCIe Slot for WWAN Card
CN4
Nano-SIM Slot
CN5
RS-232/422/485 Port (D-Sub)
CN6
USB 3.2 Gen 1 (Bottom)/ USB 2.0 (Top) Dual Port
CN7
USB 3.2 Gen 1 Type C OTG
CN8
Debug Port
CN9
Gigabit Ethernet (GbE) Port
CN11
eDP Connector
CN13
HDMI 2.0 Port Type A
CN14
Micro-SD Card Slot
CN15
Speaker Connector
CN16
DC Power Input
CN19
Integrated USB, I2C x 2, 5V
CN21
RS-232 Port
CN22
GPIO Port