VOXL Flight Connectors

Table of contents

  1. Board Connections and Pin-out Specifications
    1. VOXL Flight Board Top
  2. J2 - Hires 4k Image Sensor (CSI0)
    1. Supported Sensors
  3. J3 - Stereo or Time-of-flight Image Sensor (CSI1)
    1. Supported Image Sensors
  4. J6 - Cooling Fan Connector
  5. J7 BLSP6 (I2C + GPIO) and BLSP9 (UART / SPI): External GPS/MAG
  6. J13 - Expansion B2B connection
  7. J14 - Integrated GNSS Antenna Connection
  8. J1001 - Programming and Debug Console (USART3)
  9. J1002 - UART ESC, UART2/TELEM3 Interface Connector
  10. J1003 - PPM RC In
  11. J1004 - RC input / Spektrum/SBus/USART6 Connector
  12. J1006 - USB Connector
  13. J1007 - 8-Channel PWM/DShot Output Connector
  14. J1008 - CAN Bus Connector
  15. J1009 - I2C3, UART4
  16. J1010 - Telemetry Connector (TELEM1)
  17. J1011 - I2C2, Safety Button Input
  18. J1012 - External GPS & Mag, USART1, I2C1 Connector
  19. J1013 - 5V DC Power Input, I2C3 to power cable “APM”
    1. Supported Modules
    2. VOXL Flight Board Bottom
  20. J4 - Tracking/Optic Flow Image Sensor (CSI2)
    1. Supported Image Sensors
  21. J8 - USB 3.0 OTG
  22. J10 - UART or I2C off-board (external Sonar or IMU sensor)
  23. J11 - BLSP12 off-board (SPEKTRUM)
    1. Wi-Fi Antenna Connectors (2)
      1. Supported Antennas

Board Connections and Pin-out Specifications

VOXL Flight Board Top

VOXL-Flight Top

Note: 1000 Series connectors accessible from the STM32/PX4

Connector Summary
J2 Hires 4k Image Sensor (CSI0)
J3 Stereo Image Sensor (CSI1)
J6 Cooling Fan Connector
J7 BLSP6 (GPIO) and BLSP9 (UART)
J13 Expansion B2B
J14 Integrated GNSS Antenna Connection
J1001 Programming and Debug/UART3
J1002 UART ESC, UART2/TELEM3
J1003 PPM RC In
J1004 RC Input, Spektrum/SBus/UART6
J1006 USB 2.0 Connector (PX4/QGroundControl)
J1007 8-Channel PWM/DShot Output
J1008 CAN Bus
J1009 I2C3, UART4
J1010 Telemetry (TELEM1)
J1011 I2C2, Safety Button Input
J1012 External GPS & Mag, UART1, I2C1
J1013 Power Input, I2C3

J2 - Hires 4k Image Sensor (CSI0)

J2 Board Connector Image Sensor (Flex) Mating Connector
Panasonic, MPN: AXT336124 Panasonic MPN: AXT436124

Pin-out:

Pin # Signal Name Pin # Signal Name
1 GND 2 GND
3 VREG_L17A_2P8 (AFVDD) 4 CAM0_STANDBY_N
5 CCI_I2C_SDA0 6 VREG_LVS1A_1P8 (DOVDD)
7 CCI_I2C_SCL0 8 VREG_L3A_1P1 (DVDD)
9 CAM0_RST0_N 10 CAM_MCLK0_BUFF
11 GND 12 GND
13 MIPI_CSI0_CLK_CONN_P 14 CAM_FLASH
15 MIPI_CSI0_CLK_CONN_M 16 CAM_SYNC_0
17 MIPI_CSI0_LANE0_CONN_P 18 CAM0_MCLK3
19 MIPI_CSI0_LANE0_CONN_M 20 VREG_L22A_2P8 (AVDD)
21 GND 22 GND
23 MIPI_CSI0_LANE1_CONN_P 24 CAM_RST1_N
25 MIPI_CSI0_LANE1_CONN_M 26 CAM_SYNC_1
27 MIPI_CSI0_LANE2_CONN_P 28 CCI_I2C_SDA1
29 MIPI_CSI0_LANE2_CONN_M 30 CCI_I2C_SCL1
31 GND 32 GND
33 MIPI_CSI0_LANE3_CONN_P 34 VPH_PWR
35 MIPI_CSI0_LANE3_CONN_M 36 GND
Supported Sensors

The following sensors are supported on J2 (CSI0):

  • IMX214
  • IMX230
  • IMX377
  • IMX378
  • OV16825

Supported modules:

Description MPN Link Datasheet
ModalAI Sony IMX214 wide angle MCAM-00024 Buy  
ModalAI Sony IMX214 MCAM-00024 Buy  
ModalAI Sony IMX377 MCAM-00026 Buy  

Top


J3 - Stereo or Time-of-flight Image Sensor (CSI1)

J3 Board Connector Image Sensor (Flex) Mating Connector
Panasonic, MPN: AXT336124 Panasonic MPN: AXT436124

Pin-out:

Pin # Signal Name Pin # Signal Name
1 GND 2 GND
3 VREG_L18A_2P8 (AFVDD) 4 CAM1_STANDBY_N
5 CCI_I2C_SDA0 6 VREG_S4A_1P8 (DOVDD)
7 CCI_I2C_SCL0 8 VREG_L3A_1P1 (DVDD)
9 CAM1_RST0_N 10 CAM_MCLK1_BUFF
11 GND 12 GND
13 MIPI_CSI1_CLK_CONN_P 14 CAM_FLASH
15 MIPI_CSI1_CLK_CONN_M 16 CAM_SYNC_0
17 MIPI_CSI1_LANE0_CONN_P 18 CAM1_MCLK3
19 MIPI_CSI1_LANE0_CONN_M 20 VREG_L23A_2P8 (AVDD)
21 GND 22 GND
23 MIPI_CSI1_LANE1_CONN_P 24 CAM_RST1_N
25 MIPI_CSI1_LANE1_CONN_M 26 CAM_SYNC_1
27 MIPI_CSI1_LANE2_CONN_P 28 CCI_I2C_SDA1
29 MIPI_CSI1_LANE2_CONN_M 30 CCI_I2C_SCL1
31 GND 32 GND
33 MIPI_CSI1_LANE3_CONN_P 34 VPH_PWR
35 MIPI_CSI1_LANE3_CONN_M 36 GND
Supported Image Sensors

The following sensors are supported on J3 (CSI1):

  • OV7251
  • PMD (Infineon)

Supported modules:

Description MPN Link Datasheet
Stereo Image Sensor Pair for Obstacle Avoidance Kit MKIT-00009 Buy  
PMD Time of Flight MKIT- TBD TBD  

Top


J6 - Cooling Fan Connector

Pin Configuration
Pin # Signal Name
1 EXT_FAN_5V
2 EXT_FAN_RET
Connector
  • J.S.T. Corporation, SM02B-SRSS- TB(LF)(SN)
Mating Connector

VOXL Side:

  • J.S.T. Corporation, MPN: SM02B- SRSS-TB(LF)(SN)

Fan Side:

  • J.S.T. Corporation
    • Connector, MPN: SHR-02V-S
    • Connector Contact Pins, MPN: SSH-003T-P0.2-H
Notes

Supported Fan Module:

  • DDH Enterprise, Inc, MPN: DDH-2016-013 MCN: 420-59855-0001

Top


J7 BLSP6 (I2C + GPIO) and BLSP9 (UART / SPI): External GPS/MAG

Pin Configuration
Pin # Signal Name Alt Function
1 VREG_3P3V  
2 BLSP9_UART_TX_3P3 GPIO 49 / BLSP9_SPI_MOSI
3 BLSP9_UART_RX_3P3 GPIO 50 / BLSP9_SPI_MISO
4 BLSP6_I2C_SDA_3P3 GPIO 27
5 GND  
6 BLSP6_I2C_SCL_3P3 GPIO 28
7 BLSP6_GPIO_26_AUX2_3P3 GPIO 26
8 BLSP6_GPIO_25_AUX1_3P3 GPIO 25
9 BLSP9_UART_CTS_N_3P3 GPIO 51 / BLSP9_SPI_CS_N
10 BLSP9_UART_RFR_N_3P3 GPIO 52 / BLSP9_SPI_CLK
Connector
  • HIROSE Electric, MPN: DF13-10P-1.25H
Mating Connector

VOXL Side:

  • HIROSE Electric, MPN: DF13- 10P-1.25H

GPS/MAG Side:

  • HIROSE Electric, MPN: DF13- 10S-1.25C
Notes

Supported GPS Module:

  • MCN: 20-CE766-H1 = CCA, H13931V2, SIRFSTARV CREST BOARD REV2

The above uses antenna:

  • TAOGLAS LTD, MPN: CGGBP.25.4.A.02

Top


J13 - Expansion B2B connection

Pin Configuration
Pin # Signal Name Pin # Signal Name
1 GND 2 VDCIN_5V_CONN
3 APQ_GPIO_96 4 VDCIN_5V_CONN
5 APQ_GPIO_95 6 VDCIN_5V_CONN
7 APQ_GPIO_94 8 USB2_HS_ID
9 APQ_GPIO_92 10 GND
11 GND 12 USB2_HS_D_M
13 BLSP11_0_SCL_GPIO61 14 USB2_HS_D_P
15 BLSP11_1_SDA_GPIO60 16 USB2_HS_VBUS_CONN
17 BLSP11_2_RX_GPIO59 18 GND
19 BLSP11_3_TX_GPIO58 20 APQ_GPIO_64
21 GND 22 APQ_GPIO_127
23 BLSP8_0_SCL_GPIO7 24 APQ_GPIO_126
25 BLSP8_1_SDA_GPIO6 26 APQ_GPIO_70
27 BLSP8_2_RX_GPIO5 28 APQ_GPIO_71
29 BLSP8_3_TX_GPIO4 30 APQ_GPIO_72
31 GND 32 APQ_GPIO_93
33 JTAG_TDO 34 APQ_GPIO_91
35 JTAG_SRST_N 36 GND
37 JTAG_TCK 38 APQ_GPIO_106
39 JTAG_TDI 40 APQ_GPIO_107
41 JTAG_TMS 42 APQ_GPIO_108
43 JTAG_TRST_N 44 GND
45 JTAG_PS_HOLD 46 APQ_GPIO_114
47 VREG_S4A_1P8 48 APQ_GPIO_104
49 PMIC_RESIN_N 50 APQ_GPIO_103
51 APQ_RESOUT_N 52 APQ_GPIO_102
53 VREG_3P3V 54 APQ_GPIO_101
55 KYPDPWR_N 56 APQ_GPIO_57
57 VPH_PWR 58 GND
59 GND 60 PM8996_GPIOC15
Connector
  • Samtec Inc., MPN: QSH-030-01-L-D-A-K
Mating Connector

VOXL Side:

  • Samtec Inc., MPN: QSH-030-01-L-D-A-K

Debug Board Side:

  • Samtec Inc, MPN: QTH-030-02- L-D-A-K
Notes

Supported Debug B2B Module:

  • Eagle Nest, MCN: 20-H9420-1
  • Serial Feather PRO Edition, MCN: 30-H9916-1

More details are available here.

Top


J14 - Integrated GNSS Antenna Connection

Pin Configuration
  • Center Conductor
Connector
  • HIROSE Electric, MPN: U.FL-R- SMT-1(10)
Mating Connector

VOXL Side:

  • HIROSE Electric, MPN: U.FL-R- SMT-1(10)

GNSS Antenna Side:

  • HIROSE Electric, MPN: U.FL-LP
Notes

Supported Module:

  • CABLE ASSY, U.FL TO SMA-F BHD, 1.32 MM COAX MCN: CV90-N5175-A4
  • Passive antenna configuration (no DC bias)

Top


J1001 - Programming and Debug Console (USART3)

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 USART3_2W_DEBUG_TX
3 USART3_2W_DEBUG_RX
4 SWDIO
5 SWCLK
6 GND
7 !RESET
8 VPP_STM

Top

J1002 - UART ESC, UART2/TELEM3 Interface Connector

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

Note: 2 wire UART is OK here

Pin # Signal Name
1 5VDC (other pins are 3.3V, input or output if supplied at another pin)
2 UART2_4W_RX_3V3
3 UART2_4W_TX_3V3
4 UART2_4W_RTS_3V3
5 GND
6 UART2_4W_CTS_3V3

Top

J1003 - PPM RC In

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

Note: This JST connector is reversed when compared to Flight Core, 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

Top

J1004 - RC input / Spektrum/SBus/USART6 Connector

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

Note: For SBus receievers (e.g. FrSky X8R), power off 5VDC from another port

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

Top

J1006 - USB Connector

NOTE: This connector does not provide system power! The system pulls more that 500mA and thus can’t be powered from USB!

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

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

Top

J1007 - 8-Channel PWM/DShot 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

Top

J1008 - 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

J1009 - I2C3, UART4

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 UART4_2W_TX_3V3
3 UART4_2W_RX_3V3
4 EXP_I2C3_SCL
5 EXP_I2C3_SDA
6 GND

Top

J1010 - Telemetry Connector (TELEM1)

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

J1011 - I2C2, Safety Button Input

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)

Top

J1012 - External GPS & Mag, USART1, I2C1 Connector

Connector: 6 Positiom 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_USART1_2W_TX
3 EXT_GPS_USART1_2W_RX
4 EXT_GPS_I2C1_SCL
5 EXT_GPS_I2C1_SDA
6 GND

Top

J1013 - 5V DC Power Input, I2C3 to power cable “APM”

Note: This is the main power input and power monitoring connector. See Power Modules

Pin Configuration
Pin # Signal Name
1 5V DC
2 GND
3 I2C3_SCL
4 I2C3_SDA
Connector
  • Molex Inc, MPN: 22-05-7045
Mating Connector
  • 50-37-5043 based cables
Notes
  • I2C3 is at 5V CMOS with 10K pull-ups.
  • Connect to provided power cable for proper operation and current handling.
Supported Modules

Top


VOXL Flight Board Bottom

VOXL-Flight Bottom

Note: 1000 Series connectors accessible from the STM32/PX4

Connector Summary
J4 Tracking/Optic Flow Image Sensor (CSI2)
J8 USB 3.0 OTG (ADB)
J10 BLSP7 UART and I2C off-board
J11 BLSP12 UART and I2C off-board
VOXL microSD  
PX4 microSD 32Gb Max
Wi-Fi Antennas Included in Kit Molex 1461531100

Top

J4 - Tracking/Optic Flow Image Sensor (CSI2)

J4 Board Connector Image Sensor (Flex) Mating Connector
Panasonic, MPN: AXT336124 Panasonic MPN: AXT436124

Pin-out:

Pin # Signal Name Pin # Signal Name
1 GND 2 GND
3 VREG_L29A_2P8 (AFVDD) 4 CAM2_STANDBY_N
5 CCI_I2C_SDA0 6 VREG_LVS1A_1P8 (DOVDD)
7 CCI_I2C_SCL0 8 VREG_L3A_1P1 (DVDD)
9 CAM2_RST0_N 10 CAM_MCLK2_BUFF
11 GND 12 GND
13 MIPI_CSI2_CLK_CONN_P 14 CAM_FLASH
15 MIPI_CSI2_CLK_CONN_M 16 CAM_SYNC_0
17 MIPI_CSI2_LANE0_CONN_P 18 CAM2_MCLK3
19 MIPI_CSI2_LANE0_CONN_M 20 VREG_L23A_2P8 (AVDD)
21 GND 22 GND
23 MIPI_CSI2_LANE1_CONN_P 24 CAM_RST1_N
25 MIPI_CSI2_LANE1_CONN_M 26 CAM_SYNC_1
27 MIPI_CSI2_LANE2_CONN_P 28 CCI_I2C_SDA1
29 MIPI_CSI2_LANE2_CONN_M 30 CCI_I2C_SCL1
31 GND 32 GND
33 MIPI_CSI2_LANE3_CONN_P 34 VPH_PWR
35 MIPI_CSI2_LANE3_CONN_M 36 GND
Supported Image Sensors

The following sensors are supported on J4 (CSI2):

  • OV7251

Supported modules:

Description MPN Link Datasheet
Sunny MD102A w/ FPC-M0008 Rev A Adapter MKIT-00010 Buy  
ModalAI 166-degree OV7251 B&W VGA Global Shutter MCAM-00014 Buy  

Top


J8 - USB 3.0 OTG

Pin Configuration
Pin # Signal Name
1 VBUS
2 D-
3 D+
4 ID
5 GND
6 MICA_SSTX-
7 MICA_SSTX+
8 GND_DRAIN
9 MICA_SSRX-
10 MICA_SSRX+
Connector
  • KYCON, MPN: KMMX- AB10- SMT1SB30
Mating Connector
  • Micro A/B Plug
Notes
  • Requires Micro-A Plug to STD-A in order to get 3.0 SS Functionality. Example cable: Amphenol RUB30-0075

Top


J10 - UART or I2C off-board (external Sonar or IMU sensor)

Pin Configuration
Pin # Signal Name Alt Function
1 VREG_3P3V  
2 SONAR_UART_TX_3P3 GPIO 53
3 SONAR_UART_RX_3P3 GPIO 54
4 EXT_IMU_I2C_SDA_3P3 GPIO 55
5 GND  
6 EXT_IMU_I2C_SCL_3P3 GPIO 56
Connector
  • HIROSE Electric, MPN: DF13-6P-1.25H(50)
Mating Connector
  • DF13-6S-1.25C cable assemblies
Notes
  • UART and I2C are at 3.3V CMOS levels.
  • Connect TX to target device’s RX, and vice-versa.
  • I2C has 10K pull-ups.

Top


J11 - BLSP12 off-board (SPEKTRUM)

Pin Configuration
Pin # Signal Name Alt Function
1 VREG_3P3V_SPEKTRUM  
2 BLSP12_UART_TX_3P3 GPIO 85
3 BLSP12_UART_RX_3P3 GPIO 86
4 BLSP12_I2C_SDA_3P3 GPIO 87
5 GND  
6 BLSP12_I2C_SCL_3P3 GPIO 88
Connector
  • Hirose Electric, MPN: DF13-6P-1.25H(50)
Mating Connector
  • DF13-6S-1.25C cable assemblies
Notes
  • UART and I2C are at 3.3V CMOS levels.
  • Connect TX to target device’s RX, and vice-versa.
  • I2C has 10K pull-ups.

Top


Wi-Fi Antenna Connectors (2)

Function
  • External Wi-Fi antenna connections
Pin Configuration
  • Center Conductor
Connector
  • IPEX, MPN: 20449-001E (MHF-4)
Mating Connector
Supported Antennas
Notes
  • ANT #1 is for WLAN/BT
  • ANT #2 is for WLAN only

Top