Cube Red Standard Carrier Board Pinout

Operating Conditions and Performance

AboutDescription

POWER input voltage / rated input current

4.1 - 5.7 V / 2.5 A; 0 - 20 V is safe for the system but it will not work

POWER rated output / input power

14 W

USB port input voltage / rated input current

4 - 5.7 V / 250 mA

Servo rail input voltage

4 - 10.5 V

Waterproof performance

Not waterproof. External waterproof protection is needed

Operation Temperature

-10° / 55° Ambient recommended, Each cube tested and operational from -20 to +70 degrees C

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#

Name

I/O

Description

1

FMU_SWDIO

I/O

FMU serial wire debug I/O

2

FMU_LED_AMBER

O

Boot error LED (drive only, controlled by FET)

3

FMU_SWCLK

O

FMU serial wire debug clock

4

I2C_2_SDA

I/O

I2C Serial Data Tx/Rx

5

EXTERN_CS

O

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

6

I2C_2_SCL

O

I2C Serial Clock Signal

7

FMU_!RESET

I

Reset pin for the FMU

8

CAN_L_3

I/O

CAN bus Low Signal Driver

9

VDD_SERVO_IN

I

Power for last resort I/O failsafe

10

CAN_H_3

I/O

CAN bus High Signal Driver

11

EXTERN_DRDY

I

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

12

SERIAL_5_RX

I

UART 5 RX (Receive Data)

13

GND

System GND

14

SERIAL_5_TX

O

UART 5 TX (Transmit Data)

15

GND

System GND

16

SERIAL_4_RX

I

UART 4 RX (Receive Data)

17

SAFETY

Safety button input

18

SERIAL_4_TX

O

UART 4 TX (Transmit Data)

19

VDD_3V3_SPEKTRUM_EN

O

Enable for the Spektrum voltage regulator

20

SERIAL_3_RX

I

UART 3 RX (Receive Data)

21

PRESSURE_SENS_IN

AI

Analogue Signal port, for pressure sensor, Laser range finder, or Sonar

22

SERIAL_3_TX

O

UART 3 TX (Transmit Data)

23

AUX_BATT_VOLTAGE_SENS

AI

Voltage sense for Aux battery input

24

ALARM

O

Buzzer PWM Signal

25

AUX_BATT_CURRENT_SENS

AI

Current sense for Aux battery input

26

IO_VDD_3V3

I

IO chip power, pinned through for debug

27

VDD_5V_PERIPH_EN

O

Enable voltage supply for Peripherals

28

IO_LED_SAFET_PROT

O

IO-LED_SAFETY (safety LED) pinned out for IRIS

29

VBUS

I

USB VBus (VDD)

30

SERIAL_2_RTS

UART 2 RTS (Request To Send)

31

OTG_DP1

I/O

USB Data+ (D)

32

SERIAL_2_CTS

UART 2 CTS (Clear To Send)

33

OTG_DM1

I/O

USB Data- (M)

34

SERIAL_2_RX

I

UART 2 RX (Receive Data)

35

I2C_1_SDA

I/O

I2C Serial Data Tx/Rx

36

SERIAL_2_TX

O

UART 2 TX (Transmit Data)

37

I2C_1_SCL

O

I2C Serial Clock Signal

38

SERIAL_1_RX

I

UART 1 RX (Receive Data)

39

CAN_L_2

I/O

FMU CAN bus Low Signal Driver

40

SERIAL_1_TX

O

UART 1 TX (Transmit Data)

41

CAN_H_2

I/O

FMU CAN bus High Signal Driver

42

SERIAL_1_RTS

UART 1 RTS (Request To Send)

43

VDD_5V_PERIPH_OC

I

Error state message from Peripheral power supply

44

SERIAL_1_CTS

UART 1 CTS (Clear To Send)

45

VDD_5V_HIPOWER_OC

I

Error state message from High power Peripheral power supply

46

IO_USART_1_TX

O

I/O USART 1 TX

47

BATT_VOLTAGE_SENS_PROT

AI

Voltage sense from main battery

48

IO_USART1_RX_SPECTRUM_DSM

O

Signal from Spectrum receiver

49

BATT_CURRENT_SENS_PROT

AI

Current sense from main battery

50

FMU_CH1_PROT

O

FMU PWM output channel 1

51

SPI_EXT_MOSI

O

External SPI, for debug only

52

FMU_CH2_PROT

O

FMU PWM output channel 2

53

VDD_SERVO

I

VDD_Servo, for monitoring servo bus

54

FMU_CH3_PROT

O

FMU PWM Output Channel 3

55

VDD_BRICK_VALID

I

Main Power valid signal

56

FMU_CH4_PROT

O

FMU PWM Output Channel 4

57

VDD_BACKUP_VALID

I

Backup Power valid Signal

58

FMU_CH5_PROT

O

FMU PWM Output Channel 5

59

VBUS_VALID

I

USB bus valid signal

60

FMU_CH6_PROT

O

FMU PWM Output Channel 6

61

VDD_5V_IN_PROT

I

Main power (5V) into FMU from power selection

62

PPM_SBUS_PROT

I

PPM / S.Bus Signal Input

63

VDD_5V_IN_PROT

I

Main power (5V) into FMU from power selection

64

S.BUS_OUT

O

S.Bus Signal Output

65

IO_VDD_5V5

O

IO VDD 5.5 V

66

IO_CH8_PROT

O

I/O PWM Output Channel 8

67

SPI_EXT_MISO

I

External SPI, for Debug only

68

IO_CH7_PROT

O

I/O PWM Channel 7

69

IO_SWDIO

I/O

I/O serial wire debug

70

IO_CH6_PROT

O

I/O PWM Output Channel 6

71

IO_SWCLK

O

I/O Serial Wire Debug Clock

72

IO_CH5_PROT

O

I/O PWM Output Channel 5

73

SPI_EXT_SCK

O

External SPI, for Debug only

74

IO_CH4_PROT

O

I/O PWM Output Channel 4

75

IO_!RESET

I

I/O Reset Pin

76

IO_CH3_PROT

O

I/O PWM Output Channel 3

77

CAN_L_1

I/O

FMU CAN bus Low Signal Driver

78

IO_CH2_PROT

O

I/O PWM Output Channel 2

79

CAN_H_1

I/O

FMU CAN bus High Signal Driver

80

IO_CH1_PROT

O

I/O PWM Output Channel 1

Connector 2 Assignments

Pin#

Name

I/O

Description

1

GND

System GND

2

FMU_BOOT

I

FMU Boot

3

FC_NET_TX+

I/O

Ethernet TX+,Auto-MDIX support

4

NC

Use for future

5

GND

6

IO_BOOT

IO MCU BOOT

7

FC_NET_TX-

I/O

Ethernet TX-,Auto-MDIX support

8

NC

Use for future

9

GND

System GND

10

NC

Use for future

11

FC_NET_RX+

I/O

Ethernet RX+,Auto-MDIX support

12

NC

Use for future

13

GND

System GND

14

NC

Use for future

15

FC_NET_RX-

I/O

Ethernet RX-,Auto-MDIX support

16

NC

Use for future

17

GND

System GND

18

NC

Use for future

19

FC_NET_LEDY

O

Link Speed LED Indication

20

NC

Use for future

21

FC_NET_LEDG

O

Ethernet Link activity LED Indication

22

NC

Use for future

23

FC_NET_VCC

I

Ethernet 3.3V Power in

24

NC

Use for future

25

Timestamp rtc

I

Timestamp RTC

26

NC

Use for future

27

GND

System GND

28

NC

Use for future

29

CAN_L_1

I/O

CAN bus Low Signal Driver

30

NC

Use for future

31

CAN_H_1

I/O

CAN bus High Signal Driver

32

NC

Use for future

33

CAN_L_2

I/O

CAN bus Low Signal Driver

34

NC

Use for future

35

CAN_H_2

I/O

CAN bus High Signal Driver

36

NC

Use for future

37

CAN_L_3

I/O

CAN bus Low Signal Driver

38

NC

Use for future

39

CAN_H_3

I/O

CAN bus High Signal Driver

40

NC

Use for future

41

GND

System GND

42

NC

Use for future

43

UART8_RX

I

IO UART 8 RX (Receive Data)

44

NC

Use for future

45

UART8_TX

O

IO UART 8 TX (Transmit Data)

46

NC

Use for future

47

GND

System GND

48

NC

Use for future

49

DSI_CKP

O

MIPI DSI Host Clock Postive

50

NC

Use for future

51

DSI_CKN

O

MIPI DSI Host Clock Negative

52

NC

Use for future

53

GND

System GND

54

NC

Use for future

55

DSI_D0P

O

MIPI DSI Host DATA0 Postive

56

NC

Use for future

57

DSI_D0N

O

MIPI DSI Host DATA0 Negative

58

NC

Use for future

59

GND

System GND

60

NC

Use for future

61

DSI_D1P

O

MIPI DSI Host DATA1 Postive

62

NC

Use for future

63

DSI_D1N

O

MIPI DSI Host DATA1 Negative

64

NC

Use for future

65

GND

System GND

66

NC

Use for future

67

FMU_DAC

O

FMU Analogue output

68

NC

Use for future

69

IO_DAC

O

IO Analogue output

70

NC

Use for future

71

GND

System GND

72

NC

Use for future

73

VDD_5V_IN_backup

I

Main power (5V) into FMU from power selection

74

NC

Use for future

75

VDD_5V_IN_backup

I

Main power (5V) into FMU from power selection

76

NC

Use for future

77

VDD_5V_IN_backup

I

Main power (5V) into FMU from power selection

78

NC

Use for future

79

VDD_5V_IN_backup

I

Main power (5V) into FMU from power selection

80

NC

Use for future

Ports and Protocols

Name

Function

Marking

SERIAL 1 / UART 1

UART 1 with hardware flow control. 3.3V-5V CMOS TTL level, with ESD protection

TELEM1

SERIAL 2 / UART 2

UART 2 with hardware flow control. 3.3V-5V CMOS TTL level, with ESD protection

TELEM2

SERIAL 3 / UART 3 / I2C 1

3.3V-5V CMOS TTL level, with ESD protection

GPS1

SERIAL 4 / UART 4 / I2C 2

UART 4 / I2C 2, 3.3V-5V CMOS TTL level, with ESD protection

GPS2

SERIAL 8 / UART 8 (Debug Console)

UART 8 on secondary,Debug Console

CONS

I2C 2

Independent I2C 2 port. Drivers are on-board on FMU. UN-buffered, and pulled up to 3.3V COMMS TTL level

I2C2

CAN Bus

Standard CAN Bus. Drivers are on-board on FMU.

CAN1 CAN2 CAN3

R/C IN

Support CPPM / Futaba S.Bus signal input or any protocol Ardupilot adds support for

RCIN_FMU1 RCIN_FMU2

DSM / USART

Support Spektrum DSM® Technology, Spektrum DSM2™ / DSMX™ compatible input; I/O USART 1 RX

SKPT

S.Bus OUT / RSSI IN

S.Bus Servo I/O. PPM Output. Can be used as RSSI input

SBUSo

POWER

Main Power source and Backup Power source Input

POWER1 POWER2

MAIN OUT

Secondary FMU 8 x PWM/BDSHOT/RELAY

MAIN OUT

AUX OUT

Primary FMU 6 x PWM/BDSHOT/RELAY

AUX OUT

USB

LED, Speaker and USB extension

USB

ADC

3.3 V ADC Input

ADC

SPI

Built-in SPI port, with NO buffer, can only use short cable for connection. Not recommended for use.

Built-in contact point

Debug

I/O and FMU Testing Port

Built-in port

ETH

Ethernet Port

DSI

MIPI DSI output and Timestamp,FMU/IO BOOT

Carrier Board Port Interface and Pin Label

SERIAL 1 / UART 1 | Port: TELEM1

Pin #

Name

I/O

Voltage

Wire Colour

Definition

1

VCC_5V

OUT

5 V

RED/GRAY

VCC

2

SERIAL_1_TX

OUT

3.3 V - 5.0 V TTL

Orange+/BLACK

UART 1 TX (Transmit Data)

3

SERIAL_1_RX

IN

3.3 V - 5.0 V TTL

GREEN/BLACK

UART 1 RX (Receive Data)

4

SERIAL_1_CTS (TX)

OUT

3.3 V - 5.0 V TTL

GRAY/BLACK

UART 1 CTS (Clear To Send)

5

SERIAL_1_RTS (RX)

IN

3.3 V - 5.0 V TTL

GRAY/BLACK

UART 1 RTS (Request To Send)

6

GND

GND

BLACK

GND

SERIAL 3 / UART 3 (GPS) / I2C 1 | Port: GPS1

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VCC_5V

IN

5 V

RED

VCC Power Supply To GPS From AP

3

SERIAL_3_TX

OUT

3.3 V - 5.0 V TTL

BLACK

UART 3 TX (Transmit Data)

2

SERIAL_3_RX

IN

3.3 V - 5.0 V TTL

BLACK

UART 3 RX (Receive Data)

4

I2C_1_SCL

IN

3.3 V

BLACK

I2C 1 Clock Signal

5

I2C_1_SDA

IN/OUT

3.3 V

BLACK

I2C 1 Serial Data

6

BUTTON

GND

BLACK

Signal shorted to GND on press

7

IO_LED_SAFET_PROT

GND

BLACK

LED Driver For Safety Button

8

GND

GND

BLACK

GND

Buzzer / USB / LED | Port: USB

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

V BUS

OUT

5 V

RED/GRAY

USB V BUS

2

OTG_DP1

IN/OUT

3.3 V

GREEN/BLACK

USB Data Positive (D+)

3

OTG_DM1

IN/OUT

3.3 V

RED/BLACK

USB Data Minus (D-)

4

GND

GND

BLACK

GND

5

BUZZER_OUT

OUT

Battery Voltage

GRAY/BLACK

VBAT (8.4 - 42 V)

6

FMU_LED_AMBER

OUT

BLACK

Boot / Error LED (FW updates)

I2C 2 | Port: I2C 2

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VCC_5V

OUT

5 V

RED/GRAY

VCC Power Supply

2

I2C_2_SCL

IN/OUT

3.3 V (PULLUPS)

BLUE/BLACK

I2C 2 Clock Signal, Pull-up on AP

3

I2C_2_SDA

IN/OUT

3.3 V (PULLUPS)

GREEN/BLACK

I2C 2 Serial Data, Pull-up on AP

4

GND

GND

BLACK

GND

CAN 1 | Port: CAN1

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VCC_5V

OUT

5 V

RED/GRAY

VCC Power Supply

2

CAN_H_1

IN/OUT

12 V

Orange+/BLACK

CAN High

3

CAN_L_1

IN/OUT

12 V

GREEN/BLACK

CAN Low

4

GND

GND

BLACK

GND

CAN 2 | Port: CAN2

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VCC_5V

OUT

5 V

RED/GRAY

VCC Power Supply

2

CAN_H_2

IN/OUT

12 V

Orange+/BLACK

CAN High

3

CAN_L_2

IN/OUT

12 V

GREEN/BLACK

CAN Low

4

GND

GND

BLACK

GND

ADC | Port: ADC

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VDD_5V_PRES

OUT

5 V

RED

Power Supply

2

PRESSURE_SENS_IN

IN

BLACK

3

GND

GND

BLACK

GND

IO USART 1 / DSM | Port: SPKT

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

IO_USART1_RX_SPECTRUM_DSM

IN

IO USART 1 RX, DSM INPUT

2

GND

GND

GND

3

VDD_3V3_Spektrum

OUT

3.3 V

Independent Power Supply

SERIAL 8/ UART 8 / S.Bus OUT | Port: CONS SBUSo

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1 SBUSo

S.Bus_Out

OUT

S.Bus Signal Output

2 CONS

SERIAL_8_TX

OUT

3.3 V - 5.0 V TTL

UART 8 TX (Transmit Data)

3 SBUSo

VDD_SERVO

OUT

Servo Voltage

4 CONS

SERIAL_8_RX

IN

3.3 V - 5.0 V TTL

UART 8 RX (Receive Data)

5 SBUSo

GND

GND

GND

6 CONS

GND

GND

GND

Main Power POWER 1 | Port: POWER1

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VDD_5V_BRICK

IN

5 V

RED/GRAY

Supply To AP from Power Brick

2

VDD_5V_BRICK

IN

5 V

RED/GRAY

Supply To AP from Power Brick

3

BATT_CURRENT_SENS_PROT

3.3 V

BLACK

Battery Current Connecter

4

BATT_CURRENT_VOLTAGE_PROT

IN

3.3 V

BLACK

Battery Voltage Connecter

5

GND

GND

BLACK

GND

6

GND

GND

BLACK

GND

Backup Power POWER 2 | Port: POWER2

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VDD_5V_BRICK

IN

5 V

RED/GRAY

Supply To AP from Power Brick

2

VDD_5V_BRICK

IN

5 V

RED/GRAY

Supply To AP from Power Brick

3

AUX_BATT_CURRENT_SENS

3.3 V

BLACK

Aux Battery Current Connecter

4

AUX_BATT_VOLTAGE_SENS

IN

3.3 V

BLACK

Aux Battery Voltage Connecter

5

GND

GND

BLACK

GND Connection

6

GND

GND

BLACK

GND

CPPM / S.BUS / SERVO SYSTEM | Port: RCIN MAIN OUT AUX OUT

Pin #

Name

I/O

Voltage

Definition

S - 1

Secondary_FMU_CH1_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 2

Secondary_FMU_CH2_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 3

Secondary_FMU_CH3_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 4

Secondary_FMU_CH4_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 5

Secondary_FMU_CH5_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 6

Secondary_FMU_CH6_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 7

Primary_FMU_CH1_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 8

Primary_FMU_CH2_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 9

Primary_FMU_CH3_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 10

Primary_FMU_CH4_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 11

Primary_FMU_CH5_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 12

Primary_FMU_CH6_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 13

Primary_FMU_CH7_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 14

Primary_FMU_CH8_PROT

OUT

3.3 V Servo Signal, Servo Rail Power

PWM Signal

S - 15

PPM_SBUS_PROT

IN/OUT

3.3 V / 4.5 V Powered

PPM / S.Bus Signal, goes to both Primary and Secondary FMU's

SERIAL 2 / UART 2 | Port: TELEM2

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VCC_5V

OUT

5 V

RED/GRAY

VCC

2

SERIAL_2_TX

OUT

3.3 V - 5.0 V TTL

Orange+/BLACK

UART 2 TX (Transmit Data)

3

SERIAL_2_RX

IN

3.3 V - 5.0 V TTL

GREEN/BLACK

UART 2 RX (Receive Data)

4

SERIAL_2_CTS (TX)

OUT

3.3 V - 5.0 V TTL

GRAY/BLACK

UART 2 CTS (Clear To Send)

5

SERIAL_2_RTS (RX)

IN

3.3 V - 5.0 V TTL

GRAY/BLACK

UART 2 RTS (Request To Send)

6

GND

GND

BLACK

GND

SERIAL 4 / UART 4 / I2C 2 | Port: GPS2

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VCC_5V

OUT

5 V

RED/GRAY

VCC Power Supply To GPS From AP

2

SERIAL_4_TX

OUT

3.3 V - 5.0 V TTL

Orange+/BLACK

UART 4 TX (Transmit Data)

3

SERIAL_4_RX

IN

3.3 V - 5.0 V TTL

GREEN/BLACK

UART 4 RX (Receive Data)

4

I2C_2_SCL

OUT

3.3 V - 5.0 V

GRAY/BLACK

I2C 2 Clock Signal

5

I2C_2_SDA

IN

3.3 V - 5.0 V

GRAY/BLACK

I2C 2 Serial Data

6

GND

GND

BLACK

GND

CAN 3 | Port: CAN3

Pin #

Name

I/O

Voltage

Cable Colour

Definition

1

VCC_5V

OUT

5 V

RED/GRAY

VCC Power Supply

2

CAN_H_2

IN/OUT

12 V

Orange+/BLACK

CAN High

3

CAN_L_2

IN/OUT

12 V

GREEN/BLACK

CAN Low

4

GND

GND

BLACK

GND

Ethernet: ETH1

Pin #

Name

I/O

Descrption

1

TXP/RXP

IN/OUT

Ethernet TXP/RXP Auto-MDIX support

2

TXN/RXN

IN/OUT

Ethernet TXN/RXN Auto-MDIX support

3

RXP/TXP

IN/OUT

Ethernet RXP/TXP Auto-MDIX support

4

NC

No connect

5

NC

No connect

6

RXN/TXN

IN/OUT

Ethernet RXN/TXN Auto-MDIX support

7

NC

No connect

8

NC

No connect

DSI / Timestamp / Boot| Port: DSI

Pin #

Name

I/O

Definition

1

IO_BOOT_0

OUT

IO BOOT

2

FMU_BOOT_0

OUT

FMU BOOT

3

TIMESTAMP_RTC

OUT

TIMESTAMP

4

GND

GND

5

DSI_CKP

OUT

MIPI DSI Host Clock Postive

6

DSI_CKN

OUT

MIPI DSI Host Clock Negative

7

GND

GND

8

DSI_D0P

OUT

MIPI DSI Host DATA 0 Postive

9

DSI_D0N

OUT

MIPI DSI Host DATA 0 Negative

10

GND

GND

11

DSI_D1P

OUT

MIPI DSI Host DATA 1 Postive

12

DSI_D1N

OUT

MIPI DSI Host DATA 1 Negative

13

GND

GND

14

IO_DAC

OUT

IO Analog output

15

FMU_DAC

OUT

FMU Analong output

Last updated

#534: fixed typos

Change request updated