Flight Core Connectors

Table of contents

  1. Board Connections and Pin-out Specifications
    1. Flight Core Board Top
    2. Flight Core Board Bottom
  2. J1 - VOXL Communications Interface Connector
  3. J2 - Programming and Debug Console
  4. J3 - USB Connector
  5. J4 - UART ESC, UART2/TELEM3
  6. J5 - Telemetry Connector
  7. J6 - VOXL-Power Management Input / Expansion
  8. J7 - 8-Channel PWM Output Connector
  9. J8 - CAN Bus Connector
  10. J9 - PPM RC In
  11. J10 - External GPS & Magnetometer Connector
  12. J11 - MicroSD
  13. J12 - RC input / USART6 Connector
  14. J13 - I2C Display / I2C2 Bus / Safety Switch Connector

Board Connections and Pin-out Specifications

Flight Core Board Top

Flight Core Top

Connector Summary  
J1 VOXL Communications Interface Connector (TELEM2)  
J2 Programming and Debug Connector  
J3 USB Connector  
J4 UART ESC, UART2/TELEM3  
J5 Telemetry Connector (TELEM1)  
J6 VOXL-Power Management Input / Expansion  
J7 8-Channel PWM Output Connector  
J8 CAN Bus Connector  
J9 PPM RC In  
J10 External GPS & Magnetometer Connector  
J12 RC Input, Spektrum/SBus/UART Connector  
J13 I2C Display (Spare Sensor Connector) / Safety Button Input  

Flight Core Board Bottom

Flight Core Core Bottom

Top


J1 - VOXL Communications Interface Connector

Connector: 6 Position HIROSE DF13, Vertical, DF13-6P-1.25V(50)

Notes: UART lines are 5V inputs (level shifted to 3.3V by the Flight Core)

Pin # Signal Name
1 5VDC (input or output if supplied at another pin)
2 UART_4W_RX_5V
3 UART_4W_TX_5V
4 UART_4W_RTS_5V
5 GND
6 UART_4W_CTS_5V

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J2 - Programming and Debug Console

Connector: 8 Position, Vertical, BM08B-SRSS-TB(LF)(SN)

Note: used for PX4 debug console, can be used for STM32 FW update

Pin # Signal Name
1 VREG_3V3
2 UART_2W_DEBUG_TX
3 UART_2W_DEBUG_RX
4 SWDIO
5 SWCLK
6 GND
7 !RESET
8 VPP_STM

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J3 - USB Connector

NOTE: This connector does not provide system power

Connector: 4 Position JST GH, Vertical, BM04B-GHS-TBT

Pin # Signal Name
1 VBUS_IN
2 DATA_M
3 DATA_P
4 GND

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J4 - UART ESC, UART2/TELEM3

Connector: 8 Position HIROSE DF13, Vertical, DF13-8P-1.25V(50)

Pin # Signal Name
1 5VDC (other pins are 3.3V, input or output if supplied at another pin)
2 UART_4W_RX_3V3
3 UART_4W_TX_3V3
4 UART_4W_RTS_3V3
5 GND
6 UART_4W_CTS_3V3
7 GPIO (MSS Status Output)
8 GPIO (MSS Status Input)

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J5 - Telemetry Connector

Connector: 6 Position JST GH, Vertical, MB06B-GHS-TBT

Pin # Signal Name
1 5VDC (other pins 3.3V, input or output if supplied at another pin)
2 UART_4W_TX_3V3
3 UART_4W_RX_3V3
4 UART_4W_CTS_3V3
5 UART_4W_RTS_3V3
6 GND

Top

J6 - VOXL-Power Management Input / Expansion

Connector: 6 Position JST GH, Vertical, BM06B-GHS-TBT

Pin # Signal Name
1 5VDC (other pins 3.3V, input or output if supplied at another pin)
2 UART_2W_TX_3V3
3 UART_2W_RX_3V3
4 EXP_I2C_SCL
5 EXP_I2C_SDA
6 GND

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J7 - 8-Channel PWM Output Connector

Connector: 10 Position JST GH, Vertical, BM10B-GHS-TBT

Notes: 5V is for Ref Only

Pin # Signal Name
1 5VDC (other pins are 3.3V, input or output if supplied at another pin)
2 PWM_CH1
3 PWM_CH2
4 PWM_CH3
5 PWM_CH4
6 PWM_CH5
7 PWM_CH6
8 PWM_CH7
9 PWM_CH8
10 GND

J8 - CAN Bus Connector

Connector: 4 Position JST GH, Vertical, BM04B-GHS-TBT

Pin # Signal Name
1 5VDC (other pins are 3.3V, input or output if supplied at another pin)
2 CANH
3 CANL
4 GND

Top

J9 - PPM RC In

Connector: 3 Position JST GH, Vertical, BM03B-GHS-TBT

Note: This JST connector is reversed when compared to VOXL Flight, pinouts are still the same

Pin # Signal Name
1 5VDC (other pins 3.3V, input or output if supplied at another pin)
2 PPM_IN
3 GND

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J10 - External GPS & Magnetometer Connector

Connector: 6 Position JST GH, Vertical, BM06B-GHS-TBT

Pin # Signal Name
1 5VDC (other pins 3.3V, input or output if supplied at another pin)
2 EXT_GPS_UART_2W_TX
3 EXT_GPS_UART_2W_RX
4 EXT_GPS_I2C_SCL
5 EXT_GPS_I2C_SDA
6 GND

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J11 - MicroSD

MicroSD slot. Information about supported cards is here: https://dev.px4.io/v1.9.0/en/log/logging.html#sd-cards

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J12 - RC input / USART6 Connector

Connector: 4 Position JST GH, Vertical, BM04B-GHS-TBT

Pin # Signal Name
1 VREG_3V3 (Spektrum Power)
2 USART6_TX
3 SPEKTRUM RX (3.3V), SBus RX (3.3V), USART6_RX
4 GND

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J13 - I2C Display / I2C2 Bus / Safety Switch Connector

Connector: 5 Position, Vertical, BM05B-SRSS-TB(LF)(SN)

Pin # Signal Name
1 VREG_3V3
2 GND
3 I2C2_SDA
4 I2C2_SCL
5 Safety Switch In (switch should pull high to 3.3V to enable)

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