Ports Standard and Definition

Standard Carrier Board Ports Standard

Connector
Connector Type

GPS1

JST-GH 1.25 mm (8-pin)

GPS2

JST-GH 1.25 mm (6-pin)

TELEM1

JST-GH 1.25 mm (6-pin)

TELEM2

JST-GH 1.25 mm (6-pin)

I2C2

JST-GH 1.25 mm (4-pin)

USB

JST-GH 1.25 mm (6-pin)

CAN1

JST-GH 1.25 mm (4-pin)

CAN2

JST-GH 1.25 mm (4-pin)

CAN3

JST-GH 1.25 mm (4-pin)

POWER1

Molex CLIK-Mate 2mm (6-pin)

POWER2

Molex CLIK-Mate 2mm (6-pin)

ADC

JST-GH 1.25 mm (3-pin)

DSI

JST-GH 1.25 mm (15-pin)

ETH

TE Multi-purp pluh(8P)

Cube Red 80-Pin DF17 Connector

Connector 1 Assignments

Pin Number
Pin Type
Pin Name
Function

1

I/O

FMU_SWDIO

FMU serial wire debug I/O

2

O

FMU_LED_AMBER

Boot error LED (drive only, controlled by FET)

3

O

FMU_SWCLK

FMU serial wire debug clock

4

I/O

I2C_2_SDA

I2C serial data Tx/Rx

5

O

EXTERN_CS

Chip select for external SPI (NC, just for debugging)

6

O

I2C_2_SCL

I2C serial clock signal

7

I

FMU_!RESET

Reset pin for the FMU

8

I/O

CAN_L_3

CAN bus low signal driver

9

I

VDD_SERVO_IN

Power for last resort I/O failsafe

10

I/O

CAN_H_3

CAN bus high signal driver

11

I

EXTERN_DRDY

Interrupt pin for external SPI (NC, just for debugging)

12

I

SERIAL_5_RX

UART 5 RX (receive data)

13

GND

System GND

14

O

SERIAL_5_TX

UART 5 TX (transmit data)

15

GND

System GND

16

I

SERIAL_4_RX

UART 4 RX (receive data)

17

SAFETY

Safety button input

18

O

SERIAL_4_TX

UART 4 TX (transmit data)

19

O

VDD_3V3_SPEKTRUM_EN

Enable for the Spektrum voltage regulator

20

I

SERIAL_3_RX

UART 3 RX (receive data)

21

AI

PRESSURE_SENS_IN

Analog signal port, for pressure sensor, laser range finder, or sonar

22

O

SERIAL_3_TX

UART 3 TX (transmit data)

23

AI

AUX_BATT_VOLTAGE_SENS

Voltage sense for Aux battery input

24

O

ALARM

Buzzer PWM signal

25

AI

AUX_BATT_CURRENT_SENS

Current sense for Aux battery input

26

I

IO_VDD_3V3

IO chip power, pinned through for debug

27

O

VDD_5V_PERIPH_EN

Enable voltage supply for peripherals

28

O

IO_LED_SAFET_PROT

IO-LED_SAFETY (safety LED) pinned out for IRIS

29

I

VBUS

USB VBus (VDD)

30

SERIAL_2_RTS

UART 2 RTS (request to send)

31

I/O

OTG_DP1

USB Data+ (D)

32

SERIAL_2_CTS

UART 2 CTS (clear to send)

33

I/O

OTG_DM1

USB Data- (M)

34

I

SERIAL_2_RX

UART 2 RX (receive data)

35

I/O

I2C_1_SDA

I2C serial data Tx/Rx

36

O

SERIAL_2_TX

UART 2 TX (transmit data)

37

O

I2C_1_SCL

I2C serial clock signal

38

I

SERIAL_1_RX

UART 1 RX (receive data)

39

I/O

CAN_L_2

FMU CAN bus low signal driver

40

O

SERIAL_1_TX

UART 1 TX (transmit data)

41

I/O

CAN_H_2

FMU CAN bus high signal driver

42

SERIAL_1_RTS

UART 1 RTS (request to send)

43

I

VDD_5V_PERIPH_OC

Error state message from peripheral power supply

44

SERIAL_1_CTS

UART 1 CTS (clear to send)

45

I

VDD_5V_HIPOWER_OC

Error state message from high power peripheral power supply

46

O

IO_USART_1_TX

I/O USART 1 TX

47

AI

BATT_VOLTAGE_SENS_PROT

Voltage sense from main battery

48

O

IO_USART1_RX_SPECTRUM_DSM

Signal from Spectrum receiver

49

AI

BATT_CURRENT_SENS_PROT

Current sense from main battery

50

O

FMU_CH1_PROT

FMU PWM Output Channel 1

51

O

SPI_EXT_MOSI

External SPI, for debug only

52

O

FMU_CH2_PROT

FMU PWM Output Channel 2

53

I

VDD_SERVO

VDD_Servo, for monitoring servo bus

54

O

FMU_CH3_PROT

FMU PWM Output Channel 3

55

I

VDD_BRICK_VALID

Main power valid signal

56

O

FMU_CH4_PROT

FMU PWM Output Channel 4

57

I

VDD_BACKUP_VALID

Backup power valid signal

58

O

FMU_CH5_PROT

FMU PWM Output Channel 5

59

I

VBUS_VALID

USB bus valid signal

60

O

FMU_CH6_PROT

FMU PWM Output Channel 6

61

I

VDD_5V_IN_PROT

Main power (5V) into FMU from power selection

62

I

PPM_SBUS_PROT

PPM / S.Bus signal input

63

I

VDD_5V_IN_PROT

Main power (5V) into FMU from power selection

64

O

S.BUS_OUT

S.Bus signal output

65

O

IO_VDD_5V5

IO VDD 5.5V

66

O

IO_CH8_PROT

I/O PWM Output Channel 8

67

I

SPI_EXT_MISO

External SPI, for debug only

68

O

IO_CH7_PROT

I/O PWM Output Channel 7

69

I/O

IO_SWDIO

I/O serial wire debug

70

O

IO_CH6_PROT

I/O PWM Output Channel 6

71

O

IO_SWCLK

I/O serial wire debug clock

72

O

IO_CH5_PROT

I/O PWM Output Channel 5

73

O

SPI_EXT_SCK

External SPI, for debug only

74

O

IO_CH4_PROT

I/O PWM Output Channel 4

75

I

IO_!RESET

I/O reset pin

76

O

IO_CH3_PROT

I/O PWM Output Channel 3

77

I/O

CAN_L_1

FMU CAN bus low signal driver

78

O

IO_CH2_PROT

I/O PWM Output Channel 2

79

I/O

CAN_H_1

FMU CAN bus high signal driver

80

O

IO_CH1_PROT

I/O PWM Output Channel 1

Connector 2 Assignments

Pin Number
Pin Type
Pin Name
Description

1

GND

System GND

2

I

FMU_BOOT

FMU boot

3

I/O

FC_NET_TX+

Ethernet TX+,Auto-MDIX support

4

NC

For future use

5

GND

System GND

6

IO_BOOT

IO MCU boot

7

I/O

FC_NET_TX-

Ethernet TX-, Auto-MDIX support

8

NC

For future use

9

GND

System GND

10

NC

For future use

11

I/O

FC_NET_RX+

Ethernet RX+, Auto-MDIX support

12

NC

For future use

13

GND

System GND

14

NC

For future use

15

I/O

FC_NET_RX-

Ethernet RX-, Auto-MDIX support

16

NC

For future use

17

GND

System GND

18

NC

For future use

19

O

FC_NET_LEDY

Link speed LED indication

20

NC

For future use

21

O

FC_NET_LEDG

Ethernet link activity LED indication

22

NC

For future use

23

I

FC_NET_VCC

Ethernet 3.3V power in

24

NC

For future use

25

I

Timestamp rtc

Timestamp RTC

26

NC

For future use

27

GND

System GND

28

NC

For future use

29

I/O

CAN_L_1

CAN bus low signal driver

30

NC

For future use

31

I/O

CAN_H_1

CAN bus high signal driver

32

NC

For future use

33

I/O

CAN_L_2

CAN bus low signal driver

34

NC

For future use

35

I/O

CAN_H_2

CAN bus high signal driver

36

NC

For future use

37

I/O

CAN_L_3

CAN bus low signal driver

38

NC

For future use

39

I/O

CAN_H_3

CAN bus high signal driver

40

NC

For future use

41

GND

System GND

42

NC

For future use

43

I

UART8_RX

IO UART 8 RX (receive data)

44

NC

For future use

45

O

UART8_TX

IO UART 8 TX (transmit data)

46

NC

For future use

47

GND

System GND

48

NC

For future use

49

O

DSI_CKP

MIPI DSI host clock postive

50

NC

For future use

51

O

DSI_CKN

MIPI DSI host clock negative

52

NC

For future use

53

GND

System GND

54

NC

For future use

55

O

DSI_D0P

MIPI DSI host DATA0 postive

56

NC

For future use

57

O

DSI_D0N

MIPI DSI host DATA0 negative

58

NC

For future use

59

GND

System GND

60

NC

For future use

61

O

DSI_D1P

MIPI DSI host DATA1 postive

62

NC

For future use

63

O

DSI_D1N

MIPI DSI host DATA1 negative

64

NC

For future use

65

GND

System GND

66

NC

For future use

67

O

FMU_DAC

FMU analog output

68

NC

For future use

69

GND

System GND

70

NC

For future use

71

O

IO_DAC

IO analog output

72

NC

For future use

73

I

VDD_5V_IN_backup

Main power (5V) into FMU from power selection

74

NC

For future use

75

I

VDD_5V_IN_backup

Main power (5V) into FMU from power selection

76

NC

For future use

77

I

VDD_5V_IN_backup

Main power (5V) into FMU from power selection

78

NC

For future use

79

I

VDD_5V_IN_backup

Main power (5V) into FMU from power selection

80

NC

For future use

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