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	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