Cube Red Standard Carrier Board Pinout
Operating Conditions and Performance
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
TELEM1Pin #
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
GPS1Pin #
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
USBPin #
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
I2C 2Pin #
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
CAN1Pin #
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
CAN2Pin #
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
ADCPin #
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
SPKTPin #
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
CONS SBUSoPin #
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
IO 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
IO UART 8 RX (Receive Data)
5 SBUSo
GND
GND
GND
6 CONS
GND
GND
GND
Main Power POWER 1 | Port: POWER1
POWER1Pin #
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
POWER2Pin #
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
RCIN MAIN OUT AUX OUTPin #
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
TELEM2Pin #
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
GPS2Pin #
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
CAN3Pin #
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
ETH1Pin #
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
DSIPin #
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
Page available for revision and updating through the Github link below: https://github.com/CubePilot/cubepilot-docs/blob/master/carrier-boards/cube-red-standard-carrier-board-pinout.md
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