Pinout

ARK Pi6X Flow Connector Locations

931KB

Pi6X Flow Wireframe.png

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UART Port Mapping

UART	Connector	PX4 name	Nuttx tty
USART1	GPS	GPS1	/dev/ttyS0
USART3	Debug	Debug	/dev/ttyS1
UART4	UART4	Telem4	/dev/ttyS2
UART5	none (MCU to Pi)	Telem2	/dev/ttyS3
USART6	RC	USART6	/dev/ttyS4
UART7	Telem1	UART7	/dev/ttyS5

PWM + UART4 - 11 Pin JST-GH

Pin Number	Signal Name	Voltage
1	FMU_CH1_EXT	3.3V
2	FMU_CH2_EXT	3.3V
3	FMU_CH3_EXT	3.3V
4	FMU_CH4_EXT	3.3V
5	FMU_CH5_EXT	3.3V
6	FMU_CH6_EXT	3.3V
7	FMU_CH7_EXT	3.3V
8	FMU_CH8_EXT	3.3V
9	UART4_TX_EXT	3.3V
10	UART4_RX_EXT	3.3V
11	GND	GND

RC - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	VDD_5V_SBUS_RC	5.0V
2	USART6_RX_IN_EXT	3.3V
3	USART6_TX_OUTPUT_EXT	3.3V
4	GND	GND

CAN - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	VDD_5V_HIPOWER	5.0V
2	CAN1_P	5.0V
3	CAN1_N	5.0V
4	GND	GND

GPS - 6 Pin JST-GH

Pin Number	Signal Name	Voltage
1	VDD_5V_HIPOWER	5.0V
2	USART1_TX_GPS1_EXT	3.3V
3	USART1_RX_GPS1_EXT	3.3V
4	I2C1_SCL_GPS1_EXT	3.3V
5	I2C1_SDA_GPS1_EXT	3.3V
6	GND	GND

Telem1 - 6 Pin JST-GH

Pin Number	Signal Name	Voltage
1	VDD_5V_HIPOWER	5.0V
2	UART7_TX_TELEM1_EXT	3.3V
3	UART7_RX_TELEM1_EXT	3.3V
4	UART7_CTS_TELEM1_EXT	3.3V
5	UART7_RTS_TELEM1_EXT	3.3V
6	GND	GND

Flight Controller Debug - 10 Pin JST-SH

Pin Number	Signal Name	Voltage
1	3V3_FMU	3.3V
2	USART3_TX_DEBUG	3.3V
3	USART3_RX_DEBUG	3.3V
4	FMU_SWDIO	3.3V
5	FMU_SWCLK	3.3V
6	SPI6_SCK_EXTERNAL1	3.3V
7	NFC_GPIO	3.3V
8	PD15	3.3V
9	FMU_NRST	3.3V
10	GND	GND

Pi I2C1 - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	5.0V	5.0V
2	I2C1_SCL_EXT	3.3V
3	I2C1_SDA_EXT	3.3V
4	GND	GND

Pi UART3 - 6 Pin JST-GH

Pin Number	Signal Name	Voltage
1	5.0V	5.0V
2	UART3_TX_EXT	3.3V
3	UART3_RX_EXT	3.3V
4	UART3_CTS_EXT	3.3V
5	UART3_RTS_EXT	3.3V
6	GND	GND

Pi ETH - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	ETH_RD_N	3.3V
2	ETH_RD_P	3.3V
3	ETH_TD_N	3.3V
4	ETH_TD_P	3.3V

Pi LED Strip - 8 Pin JST-GH

Pin Number	Signal Name	Voltage
1	5.0V	5.0V
2	5.0V	5.0V
3	GPIO12_EXT	3.3V
4	GPIO16_EXT	3.3V
5	GPIO17_EXT	3.3V
6	GPIO20_EXT	3.3V
7	GND	GND
8	GND	GND

Pi GPIO - 6 Pin JST-GH

Pin Number	Signal Name	Voltage
1	5.0V	5.0V
2	GPIO21_EXT	3.3V
3	GPIO22_EXT	3.3V
4	GPIO23_EXT	3.3V
5	GPIO24_EXT	3.3V
6	GND	GND

Pi Fan - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	GND	GND
2	5.0V	5.0V
3	FAN_TACH_CON	5.0V
4	FAN_PWM_Q*	5.0V

Pi Console - 6 Pin JST-SH

Pin Number	Signal Name	Voltage
1	3.3V_RPI	3.3V
2	CONSOLE_TXD0	3.3V
3	CONSOLE_RXD0	3.3V
4	NC	NC
5	NC	NC
6	GND	GND

Pi USB - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	VBUS2_FLT	5.0V
2	USB2_EXT_N	3.3V
3	USB2_EXT_P	3.3V
4	GND	GND

Pi USB - 4 Pin JST-GH

Pin Number	Signal Name	Voltage
1	VBUS4_FLT	5.0V
2	USB4_EXT_N	3.3V
3	USB4_EXT_P	3.3V
4	GND	GND

CAM0 - 22 Pin 0.5mm FFC 0545482271

Pin Number	Signal Name	Voltage
1	GND	GND
2	CAM0_D0_N	1.2V
3	CAM0_D0_P	1.2V
4	GND	GND
5	CAM0_D1_N	1.2V
6	CAM0_D1_P	1.2V
7	GND	GND
8	CAM0_C_N	1.2V
9	CAM0_C_P	1.2V
10	GND	GND
11	NC	NC
12	NC	NC
13	GND	GND
14	NC	NC
15	NC	NC
16	GND	GND
17	CAM_GPIO	3.3V
18	NC	NC
19	GND	GND
20	ID_SC	3.3V
21	ID_SD	3.3V
22	3.3V_RPI	3.3V

CAM1 - 22 Pin 0.5mm FFC 0545482271

Pin Number	Signal Name	Voltage
1	GND	GND
2	CAM1_D0_N	1.2V
3	CAM1_D0_P	1.2V
4	GND	GND
5	CAM1_D1_N	1.2V
6	CAM1_D1_P	1.2V
7	GND	GND
8	CAM1_C_N	1.2V
9	CAM1_C_P	1.2V
10	GND	GND
11	CAM1_D2_N	1.2V
12	CAM1_D2_P	1.2V
13	GND	GND
14	CAM1_D3_N	1.2V
15	CAM1_D3_P	1.2V
16	GND	GND
17	CAM_GPIO	3.3V
18	NC	NC
19	GND	GND
20	SCL0	3.3V
21	SDA0	3.3V
22	3.3V_RPI	3.3V