Connectors and pinouts

Board to board bottom connector

  • matching connector: ept 404-52080-51

  • ready to connect with DroneCore.Power

Bottom B2B

pin
function
pin
function

1

reserved

41

reserved

2

MOD_SLEEP

42

reserved

3

I2C1_SDA

43

UART1_RX

4

I2C1_SCL

44

UART1_TX

5

AUX_BAT_V

45

CAN_L_2

6

AUX_BAT_A

46

CAN_H_2

7

5V_BACKUP

47

5V_BACKUP

8

5V_BACKUP

48

5V_BACKUP

9

5V_BACKUP

49

5V_BACKUP

10

5V_BACKUP

50

5V_BACKUP

11

5V_BACKUP

51

5V_BACKUP

12

5V_BACKUP

52

5V_BACKUP

13

GND

53

GND

14

GND

54

GND

15

GND

55

GND

16

GND

56

GND

17

GND

57

GND

18

GND

58

GND

19

GND

59

GND

22

GND

60

GND

21

GND

61

GND

22

GND

62

GND

23

GND

63

GND

24

GND

64

GND

25

GND

65

GND

26

GND

66

GND

27

GND

67

GND

28

5V_EXTERN

68

5V_EXTERN

29

5V_EXTERN

69

5V_EXTERN

30

5V_EXTERN

70

5V_EXTERN

31

5V_EXTERN

71

5V_EXTERN

32

5V_EXTERN

72

5V_EXTERN

33

5V_EXTERN

73

5V_EXTERN

34

5V_EXTERN

74

5V_EXTERN

35

VDD_MAIN

75

VDD_MAIN

36

VDD_MAIN

76

VDD_MAIN

37

VDD_MAIN

77

VDD_MAIN

38

VDD_MAIN

78

VDD_MAIN

39

VDD_MAIN

79

VDD_MAIN

40

VDD_MAIN

80

VDD_MAIN

The Cube connectors

  • all Cube related connector signal names come from official The Cube autopilot carrier board gitarrow-up-right.

AUTOPILOT CONNECTOR

BAT_SENS

  • matching connector JST GHR-03V-S

pin
function

1

BAT_VOLTAGE_SENS_PROT

2

BAT_CURRENT_SENS_PROT

3

GND

ADC

  • matching connector JST GHR-03V-S

  • all peripheral connectors (except SERIAL1) shares 5V protected power supply with 1,5A current limitation

pin
function

1

5V

2

PRESSURE_SENS_IN

3

GND

PPM

  • matching connector JST GHR-03V-S

  • all peripheral connectors (except SERIAL1) shares 5V protected power supply with 1,5A

pin
function

1

PPM_SBUS_PROT

2

5V

3

GND

BEEP

  • matching connector Hirose DF13-2S-1.25C

pin
function

1

BUZZER+

2

BUZZER-

GPS2

  • matching connector JST GHR-06V-S

  • all peripheral connectors (except SERIAL1) shares 5V protected power supply with 1,5A

pin
function

1

5V

2

SERIAL4_TX

3

SERIAL4_RX

4

I2C_2_SCL

5

I2C_2_SDA

6

GND

GPS1

  • matching connector JST GHR-08V-S

  • all peripheral connectors (except SERIAL1) shares 5V protected power supply with 1,5A

pin
function

1

5V

2

SERIAL3_TX

3

SERIAL3_RX

4

I2C_1_SCL

5

I2C_1_SDA

6

SAFETY

7

IO-LED_SAFET_PROT

8

GND

I2C

  • matching connector JST GHR-04V-S

  • all peripheral connectors (except SERIAL1) shares 5V protected power supply with 1,5A

pin
function

1

5V

2

I2C_2_SCL

3

I2C_2_SDA

4

GND

SERIAL1

  • matching connector JST GHR-06V-S

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SERIAL1 connector has separate 5V protected line, with 1A current limitation

pin
function

1

5V

2

SERIAL1_TX

3

SERIAL1_RX

4

SERIAL1_CTS

5

SERIAL1_RTS

6

GND

SERIAL5

  • matching connector JST GHR-06V-S

  • all peripheral connectors (except SERIAL1) shares 5V protected power supply with 1,5A

pin
function

1

5V

2

SERIAL5_TX

3

SERIAL5_RX

4

S.BUS_OUT

5

NC

6

GND

CAN1

  • matching connector JST GHR-04V-S

  • all peripheral connectors (except SERIAL1) shares 5V protected power supply with 1,5A

pin
function

1

5V

2

CAN_H_1

3

CAN_L_1

4

GND

CAN2

  • matching connector JST GHR-04V-S

  • all peripheral connectors (except SERIAL1) shares 5V protected power supply with 1,5A

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CAN2 is also routed to B2B connector, so if DroneCore.Power is connected, CAN2 is natively interconnected

pin
function

1

5V

2

CAN_H_2

3

CAN_L_2

4

GND

PWM1

  • matching connector JST GHR-08V-S

pin
function

1

IO-CH1-PROT

2

IO-CH2-PROT

3

IO-CH3-PROT

4

IO-CH4-PROT

5

IO-CH5-PROT

6

IO-CH6-PROT

7

IO-CH7-PROT

8

GND

PWM2

  • matching connector JST GHR-08V-S

pin
function

1

IO-CH8-PROT

2

FMU-CH1-PROT

3

FMU-CH2-PROT

4

FMU-CH3-PROT

5

FMU-CH4-PROT

6

FMU-CH5-PROT

7

FMU-CH6-PROT

8

GND

Nvidia Jetson connectors

GPS (Jetson)

  • matching connector JST GHR-06V-S

  • UART and I2C -> 3V3 voltage logic

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5V supply shared with SPI0 (Jetson) connector and is limited to 480mA

pin
function

1

5V

2

UART0_Tx

3

UART0_Rx

4

I2C0_SCL

5

I2C0_SDA

6

GND

SPI0 (Jetson)

  • matching connector JST GHR-08V-S

  • 3V3 SPI voltage logic

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5V supply shared with GPS (Jetson) connector and is limited to 480mA

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3V3 supply is shared with 3V3 to CSIB/CSID/CSIF ports (current limited to 1.3A)

pin
function

1

5V

2

SPI0_CS1

3

SPI0_CS0

4

SPI0_MISO

5

SPI0_CLK

6

SPI0_MOSI

7

3.3V supply

8

GND

FAN1

  • FAN1 and FAN2 are connected in parallel

  • standard fan connector, matching with Molex 47054-1000 header

  • only one 4-pin fan controlled with pwm/tach can be connected

  • for second fan choose simple 2-wire DC fan

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shares 5V supply with FAN2 and ETHERNET connector with 480mA current limitation

pin
function

1

GND

2

5V

3

FAN_TACH

4

FAN_PWM

FAN2

  • matching with Molex 51021-0400 cable header

  • compatible with xavier nx original cooler

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shares 5V supply with FAN1 and ETHERNET connector with 480mA current limitation

pin
function

1

FAN_PWM

2

FAN_TACH

3

5V

4

GND

ETHERNET

  • 687116183722 connector type

  • compatible with standard 16 pin / 0.5mm pitch same-side contacts FPC cables

  • to be able to connect Jetson to network via standard ethernet cable, use aepilot1_ethernet_expansion_board

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shares 5V supply with FAN1 and FAN2 connectors with 480mA current limitation

pin
function

1

GBE_B3_P

2

GBE_B3_N

3

GND

4

GBE_M2_P

5

GBE_M2_N

6

GND

7

GBE_M1_P

8

GBE_M1_N

9

GND

10

GBE_M0_P

11

GBE_M0_N

12

GND

13

GBE_LED_LINK

14

GBE_LED_ACT

15

5V

16

5V

CSI D (4-lanes CSI)

  • 501951-2210 connector type

  • 4 lanes MIPI CSI connectors

  • separate MCLK pin (pin 122 on Jetson)

  • I2C and PWND are 3V3 logic

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3V3 power to this connector is shared with CSIB/CSIF with current limit of 1.3A

pin
function

1

3V3

2

I2C_SDA

3

I2C_SCL

4

GND

5

MCLK

6

PWDN

7

GND

8

CSI_D3_P

9

CSI_D3_N

10

GND

11

CSI_D2_P

12

CSI_D2_N

13

GND

14

CSI_CLK_P

15

CSI_CLK_N

16

GND

17

CSI_D1_P

18

CSI_D1_N

19

GND

20

CSI_D0_P

21

CSI_D0_N

22

GND

CSI A,B,C,E,F (2-lines CSI)

  • 501951-2210 connector type

  • 2 lines MIPI CSI connectors

  • CSI A,B,C shares the same MCLK pin (pin 116 on Jetson)

  • CSI E,F shares the same MCLK pin (pin 216 on Jetson)

  • I2C and PWDN are 3V3 logic

  • Connectors protected against overcurrent

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CSI A/C/E are grouped together on 3V3 supply line with 1.3A current limit

CSI B/D/F are grouped together on 3V3 supply line with 1.3A current limit

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pin
function

1

3V3

2

I2C_SDA

3

I2C_SCL

4

GND

5

MCLK

6

PWDN

7

GND

8

NC

9

NC

10

GND

11

NC

12

NC

13

GND

14

CSI_CLK_P

15

CSI_CLK_N

16

GND

17

CSI_D1_P

18

CSI_D1_N

19

GND

20

CSI_D0_P

21

CSI_D0_N

22

GND

USB A (standard USB C connector)

  • USB 3.0 standard

  • protected against overcurrent

  • voltage levels according to usb standards

  • current limit 2.5A

USB B,C,D (15 pin ZIF connectors)

  • USB 3.0 standard

  • USB D placed on the bottom side of board

  • connectors are protected against overcurrent, separately on every port.

  • compatible with Molex 538-15021 cable series

  • voltage levels according to usb standards

  • each connectors current limit is set to 2.5A

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pin
function

1

GND

2

RX_N

3

RX_P

4

GND

5

TX_N

6

TX_P

7

GND

8

D_N

9

D_P

10

GND

11

GND

12

5V

13

5V

14

5V

15

5V

USB E (JST GH connector)

  • USB 2.0 standard

  • protected against overcurrent

  • voltage levels according to usb standards

  • current limit 2.5A

pin
function

1

GND

2

D_P

3

D_N

4

VBUS

CONTROL

  • Nvidia Jetson control pins

  • 1.8V logic

control_conn
pin
function

1

GND

2

SYS_RST

3

GND

4

FC_REC (Force recovery)

5

GND

6

PWR_BTN

GPIOS

  • Nvidia Jetson GPIOS connector

  • pins 1,2 are connected to Jetson debug UART which natively supports serial console. UART number varies depending on type of Jetson.

  • pins 1 - 4 -> 3V3 logic

  • pins 5,6 -> 1.8V logic

gpios_conn
pin
function

1

UART_RXD (Debug)

2

UART_TXD (Debug)

3

GPIO_EXP1

4

GPIO_EXP2

5

GPIO_13

6

GND

USB_DEV

  • USB type micro B connector

  • possible to use only as jetson usb-device

  • when micro usb cable connected between board and host PC, Jetson acts like usb-device.

USB_DEV (expansion connector)

  • JST SM04B-SURS-TF(LF)(SN) connector type

  • possibility to route USB_DEV signals to drone case

pin
function

1

GND

2

D_P

3

D_N

4

VBUS

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HDMI

  • HDMI Type D connector receptacle

  • connect with micro HDMI cable to external display

M2 key E

  • connector includes PCIE, USB2.0, USART (shared with GPS(Jetson) connector, and I2C buses

  • tested wifi cards: Intel AC-9260NGW, Intel AC-8265NGW

M2 key M (Bottom side)

  • connector includes PCIE x4 and I2C bus

  • ready to mount NVME SSD in M2 2242 size

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