Pixhawk FMUv2 / Cube FMU v3 Serial MappingΒΆ

Many different names are given to the serial hardware on Pixhawk and Cube where ArduPilot is concerned. This document attempts to supply a mapping between them.

DataSheet ParamPrefix HW Label Cube Full CB Def Role SERIAL_CONTROL* Notes
  SERIAL0_   Console Console   Micro-USB Plug
UART4 SERIAL3_ GPS GPS1 GPS 2  
USART2 SERIAL1_ TELEM1 TELEM1 MAVLink 0 bl serial
USART3 SERIAL2_ TELEM2 TELEM2 MAVLink 1  
UART8 SERIAL4_ SERIAL4 GPS2 GPS 3  
UART7 SERIAL5_ SERIAL5 CONS   10  
USART1       IOMCU Debug    
USART6       IOMCU Serial