# Cube Red Standard Carrier Board Pinout ## Operating Conditions and Performance

Parameter	Description
Power Input Voltage/Rated Input Current	4.1 ~ 5.7V / 2.5A Note: 0 ~ 20 V is supported, but The Cube may not operate properly.
Power Rated Output/Input power	14W
USB Port Input Voltage/Rated Input Current	4 ~ 5.7V / 250mA
Servo Rail Input Voltage	4 ~ 10.5V
Waterproof Performance	Not waterproof. External waterproof protection is needed
Operational Temperature	Recommended ambient temperature: -10°C ~ 55°C. Note: The Cube can operate within a wider range of -40°C ~ 100°C but with possible performance degradation or risks.

## Ports Standard and Definition ### Standard Carrier Board Ports | 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 | O | IO\_DAC | IO analog output | | 70 | | NC | For future use | | 71 | | GND | System GND | | 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 | ### Ports and Protocols

Name	Function	Label
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 IO; Debug Console	`CONS`
I2C 2	Independent I2C 2 port. Drivers are on-board FMU. Un-buffered, and pulled up to 3.3V COMMS TTL level	`I2C2`
CAN Bus	Standard CAN Bus. Drivers are on-board FMU	`CAN1` `CAN2` `CAN3`
R/C IN	Support CPPM / Futaba S.Bus signal input or any protocols supported by ArduPilot	`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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	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 Number	Name	I/O	Voltage	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`**

Pin Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	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

### **SERIAL 2 / UART 2 | Port: `TELEM2`**

Pin Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Voltage	Cable Color	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 Number	Name	I/O	Desciption
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 Number	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 Positive
6	DSI_CKN	OUT	MIPI DSI Host Clock Negative
7	GND		GND
8	DSI_D0P	OUT	MIPI DSI Host DATA 0 Positive
9	DSI_D0N	OUT	MIPI DSI Host DATA 0 Negative
10	GND		GND
11	DSI_D1P	OUT	MIPI DSI Host DATA 1 Positive
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 analog output

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