Pinout
UART Port Mapping
USART1
GPS
GPS1
/dev/ttyS0
USART2
VTX
Telem3
/dev/ttyS1
USART3
Debug
Debug
/dev/ttyS2
UART4
PWM
UART4
/dev/ttyS3
UART5
VTX
Telem2
/dev/ttyS4
USART6
RC
USART6
/dev/ttyS5
UART7
Telem
Telem1
/dev/ttyS6
PWM UART4 - 8 Pin JST-GH
1
VBAT IN
5.5V-54V
2
CURR_IN_EXT
3.3V
3
UART4_RX_EXT
3.3V
4
FMU_CH1_EXT
3.3V
5
FMU_CH2_EXT
3.3V
6
FMU_CH3_EXT
3.3V
7
FMU_CH4_EXT
3.3V
8
GND
GND
RC - 4 Pin JST-GH
1
5.0V
5.0V
2
USART6_RX_IN_EXT
3.3V
3
USART6_TX_OUTPUT_EXT
3.3V
4
GND
GND
PWM EXTRA - 6 Pin JST-SH
1
FMU_CH5_EXT
3.3V
2
FMU_CH6_EXT
3.3V
3
FMU_CH7_EXT
3.3V
4
FMU_CH8_EXT
3.3V
5
FMU_CH9_EXT
3.3V
6
GND
GND
POWER AUX - 3 Pin JST-GH
1
12.0V
12.0V
2
GND
GND
3
VBAT IN/OUT
5.5V-54V
CAN - 4 Pin JST-GH
1
5.0V
5.0V
2
CAN1_P
5.0V
3
CAN1_N
5.0V
4
GND
GND
GPS - 6 Pin JST-GH
1
5.0V
5.0V
2
USART1_TX_GPS1_EXT
3.3V
3
USART1_RX_GPS1_EXT
3.3V
4
I2C1_SCL_GPS1_EXT
3.3V
5
I2C1_SDA_GPS1_EXT
3.3V
6
GND
GND
TELEM - 6 Pin JST-GH
1
5.0V
5.0V
2
UART7_TX_TELEM1_EXT
3.3V
3
UART7_RX_TELEM1_EXT
3.3V
4
UART7_CTS_TELEM1_EXT
3.3V
5
UART7_RTS_TELEM1_EXT
3.3V
6
GND
GND
VTX - 6 Pin JST-GH
1
12.0V
12.0V
2
GND
GND
3
UART5_TX_TELEM2_EXT
3.3V
4
UART5_RX_TELEM2_EXT
3.3V
5
USART2_RX_TELEM3_EXT
3.3V
6
GND
GND
SPI (OSD or IMU) - 8 Pin JST-SH
1
5.0V
5.0V
2
SPI6_SCK_EXT
3.3V
3
SPI6_MISO_EXT
3.3V
4
SPI6_MOSI_EXT
3.3V
5
SPI6_nCS1_EXT
3.3V
6
SPI6_DRDY1_EXT
3.3V
7
SPI6_nRESET_EXT
3.3V
8
GND
GND
Flight Controller Debug - 6 Pin JST-SH
1
3V3_FMU
3.3V
2
USART3_TX_DEBUG
3.3V
3
USART3_RX_DEBUG
3.3V
4
FMU_SWDIO
3.3V
5
FMU_SWCLK
3.3V
6
GND
GND
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