Pixhawk Baseboard Ports
Compatible with Pixhawk 5X & 6X
This baseboard is compatible with both Pixhawk 5X & 6X, and any flight controller that follow the Pixhawk Autopilot Bus Standard.
Refer to this diagram for location of pin1. All connectors are JST GH 1.25 mm Pitch unless noted otherwise.
Power1 (Main) & Power2 Port (Backup) (2.00mm Pitch CLIK-Mate)
Pin
Signal
Volt
1(red)
VDD5V_BRICK1/2
+5V
2(black)
VDD5V_BRICK1/2
+5V
3(black)
SCL1/2
+3.3V
4(black)
SDA1/2
+3.3V
5(black)
GND
GND
6(black)
GND
GND
Telem1, Telem2, Telem3 ports
Pin
Signal
Volt
1(red)
VCC
+5V
2(black)
TX7/5/2 (out)
+3.3V
3(black)
RX7/5/2 (in)
+3.3V
4(black)
CTS7/5/2 (in)
+3.3V
5(black)
RTS7/5/2 (out)
+3.3V
6(black)
GND
GND
GPS 1 Port
Pin
Signal
Volt
1(red)
VCC
+5V
2 black)
TX1(out)
+3.3V
3(black)
RX1(in)
+3.3V
4(black)
SCL1
+3.3V
5(black)
SDA1
+3.3V
6(black)
SAFETY_SWITCH
+3.3V
7(black)
SAFETY_SWITCH_LED
+3.3V
8(black)
VDD_3V3
+3.3V
9(black)
BUZZER-
0~5V
10(black)
GND
GND
GPS 2 Port
Pin
Signal
Volt
1(red)
VCC
+5V
2 black)
TX8(out)
+3.3V
3(black)
RX8(in)
+3.3V
4(black)
SCL2
+3.3V
5(black)
SDA2
+3.3V
6(black)
GND
GND
CAN1, CAN2 ports
Pin
Signal
Volt
1(red)
VCC
+5V
2(black)
CANH1/2
+3.3V
3(black)
CANL1/2
+3.3V
4(black)
GND
GND
Uart4 & I2C port
Pin
Signal
Volt
1(red)
VCC
+5V
2(black)
TX4(out)
+3.3V
3(black)
RX4(in)
+3.3V
4(black)
SCL3
+3.3V
5(black)
SDA3
+3.3V
6(black)
NFC_GPIO
+3.3V
7(black)
GND
GND
SPI Port
Pin
Signal
Volt
1(red)
VCC
+5V
2 (black)
SPI6_SCK
+3.3V
3(black)
SPI6_MISO
+3.3V
4(black)
SPI6_MOSI
+3.3V
5(black)
SPI6_CS1
+3.3V
6(black)
SPI6_CS2
+3.3V
7(black)
SPIX_SYNC
+3.3V
8(black)
SPI6_DRDY1
+3.3V
9(black)
SPI6_DRDY2
+3.3V
10(black)
SPI6_nRESET
+3.3V
11(black)
GND
GND
USB Port
Pin
Signal
Volt
1(red)
VBUS
+5V
2(black)
DM
+3.3V
3(black)
DP
+3.3V
4(black)
GND
GND
I2C Port
Pin
Signal
Volt
1(red)
VCC
+5V
2(black)
SCL3
+3.3V
3(black)
SDA3
+3.3V
4(black)
GND
GND
ETH Port
Pin
Signal
Volt
1(red)
RXN
+3.3V
2(black)
RXP
+3.3V
3(black)
TXN
+3.3V
4(black)
TXP
+3.3V
AD&IO Port
Pin
Signal
Volt
1(red)
VCC
+5V
2(black)
FMU_CAP1
+3.3V
3(black)
FMU_BOOTLOADER
+3.3V
4(black)
FMU_RST_REQ
+3.3V
5(black)
NARMED
+3.3V
6(black)
ADC1_3V3
+3.3V
7(black)
ADC1_6V6
+6.6V
8(black)
GND
GND
DSM RC Port (JST-ZH 1.5mm Pitch)
Pin
Signal
Volt
1(yellow)
VDD_3V3_SPEKTRUM
+3.3V
2(black)
GND
GND
3(gray)
DSM/SPEKTRUM IN
+3.3V
RC IN Port
Pin
Signal
Volt
S
SBUS/PPM in
+3.3V
+
VDD_5V _RC
+5V
-
GND
GND
IO Debug Port (JST-SH 1mm Pitch)
Pin
Signal
Volt
1(red)
IO_VDD_3V3
+3.3V
2 black)
IO_USART1_TX
+3.3V
3(black)
NC
--
4(black)
IO_SWD_IO
+3.3V
5(black)
IO_SWD_CK
+3.3V
6(black)
IO_SWO
+3.3V
7(black)
IO_SPARE_GPIO1
+3.3V
8(black)
IO_SPARE_GPIO2
+3.3V
9(black)
IO_nRST
+3.3V
10(black)
GND
GND
FMU Debug Port (JST-SH 1mm Pitch)
Pin
Signal
Volt
1(red)
FMU_VDD_3V3
+3.3V
2 black)
FMU_USART3_TX
+3.3V
3(black)
FMU_USART3_RX
+3.3V
4(black)
FMU_SWD_IO
+3.3V
5(black)
FMU_SWD_CK
+3.3V
6(black)
SPI6_SCK_EXTERNAL1
+3.3V
7(black)
NFC_GPIO
+3.3V
8(black)
PH11
+3.3V
9(black)
FMU_nRST
+3.3V
10(black)
GND
GND
RSSI Port
Pin
Signal
Volt
S
SBUS_OUT/RSSI_IN
+3.3V
+
VDD_SERVO
0~36V
-
GND
GND
FMU PWM OUT Port
Pin
Signal
Volt
S
FMU_CH1~8
+3.3V
+
VDD_SERVO
0~36V
-
GND
GND
I/O PWM OUT Port
Pin
Signal
Volt
S
IO_CH1~8
+3.3V
+
VDD_SERVO
0~36V
-
GND
GND
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