BPI-M3 GPIO Pin define

GPIO specification

Banana Pi 40-pin GPIO

Banana Pi has a 40-pin GPIO header that matches that of the Model B+ Raspberry Pi. Following is the Banana Pi GPIO Pinout:

GPIO Pin Name	Default Function	Function2：GPIO	Function3
CON1-P01	VCC-3V3
CON1-P02	DCIN
CON1-P03	TWI2-SDA	PH5-EINT5
CON1-P04	DCIN
CON1-P05	TWI2-SCK	PH4-EINT4
CON1-P06	GND
CON1-P07	S-PWM	PL10-S-EINT10
CON1-P08	UART2-TX	PB0-EINT0
CON1-P09	GND
CON1-P10	UART2-RX	PB1-EINT1
CON1-P11	PC4 PC4
CON1-P12	UART2-CTS	PB3-EINT3
CON1-P13	PC7	PC7
CON1-P14	GND
CON1-P15	PC17	PC17
CON1-P16	UART2-RTS	PB2-EINT2
CON1-P17	VCC-3V3
CON1-P18	PL8-ENT8	PL8-S-ENT8
CON1-P19	SPI0_MOSI	PC0
CON1-P20	GND
CON1-P21	SPI0_MISO	PC1
CON1-P22	PL9-EINT9	PL9-S-EINT9
CON1-P23	SPI0_CLK	PC2
CON1-P24	SPI0_CS	PC3
CON1-P25	GND
CON1-P26	PH10-ENT10	PH10-ENT10
CON1-P27	TWI1-SDA	PH3-EINT3
CON1-P28	TWI1-SCK	PH2-EINT2
CON1-P29	PC18	PC18
CON1-P30	GND
CON1-P31	I2S1-BCLK	PG10-EINT10	UART3-TX
CON1-P32	I2S1-DIN	PG13-EINT13	UART3-CTS
CON1-P33	I2S1-LRCK	PG11-EINT11	UART3-RX
CON1-P34	GND
CON1-P35	I2S1-DOUT	PG12-EINT12	UART3-RTS
CON1-P36	PE5	PE5
CON1-P37	PE4	PE4
CON1-P38	OWA-DOUT	PE18
CON1-P39	GND
CON1-P40	PE19	PE19

CSI Camera Connector specification:

CSI Camera Connector：

The CSI Camera Connector is a 40-pin FPC connector which can connect external camera module with proper signal pin mappings. The pin definitions of the CSI interface are shown as below. This is marked on the Banana Pi board as “CSI”.

CSI Pin Name	Default Function	Function2：GPIO
CN7-P01	IPSOUT
CN7-P02	AFVCC
CN7-P03	IPSOUT
CN7-P04	IOVDD
CN7-P05	GND
CN7-P06	GND
CN7-P07	CSI2-D3N
CN7-P08	AVDD-CSI
CN7-P09	CSI2-D3P
CN7-P10	DVDD-CSI-R
CN7-P11	GND
CN7-P12	NC
CN7-P13	CSI2-D2N
CN7-P14	CSI-RST-R	PE16
CN7-P15	CSI2-D2P
CN7-P16	CSI-STBY-R	PE17
CN7-P17	GND
CN7-P18	CSI-PCLK	PE0
CN7-P19	CSI2-CKN
CN7-P20	CSI-MCLK	PE1
CN7-P21	CSI2-CKP
CN7-P22	CSI-HSYNC	PE2
CN7-P23	GND
CN7-P24	CSI-VSYNC	PE3
CN7-P25	CSI2-D1N
CN7-P26	CSI-D9	PE13
CN7-P27	CSI2-D1P
CN7-P28	CSI-D8	PE12
CN7-P29	GND
CN7-P30	CSI-D7	PE11
CN7-P31	CSI2-D0N
CN7-P32	CSI-D6	PE10
CN7-P33	CSI2-D0P
CN7-P34	CSI-D5	PE9
CN7-P35	GND
CN7-P36	CSI-D4	PE8
CN7-P37	CSI-SCK	PE14
CN7-P38	CSI-D3	PE7
CN7-P39	CSI-SDA	PE15
CN7-P40	CSI-D2	PE6

Display specification

MIPI DSI (Display Serial Interface)：

The display Connector is a 40-pin FPC connector which can connect external LCD panel (MIPI DSI) and touch screen (I2C) module as well. The pin definitions of this connector are shown as below. This is marked on the Banana Pi board as “DSI”.

DSI Pin Name	Default Function	Function2：GPIO
CN6-P01	VCC-MIPI
CN6-P02	IPSOUT
CN6-P03	VCC-MIPI
CN6-P04	IPSOUT
CN6-P05	GND
CN6-P06	IPSOUT
CN6-P07	GND
CN6-P08	IPSOUT
CN6-P09	NC
CN6-P10	GND
CN6-P11	NC
CN6-P12	DSI-D0N
CN6-P13	NC
CN6-P14	DSI-D0P
CN6-P15	NC
CN6-P16	GND
CN6-P17	TWI0-SDA	PH1-EINT1
CN6-P18	DSI-D1N
CN6-P19	TWI0-SCK	PH0-EINT0
CN6-P20	DSI-D1P
CN6-P21	TP-INT	PL7-S-EINT7
CN6-P22	GND
CN6-P23	TP-RST	PL6-S-EINT6
CN6-P24	DSI-CKN
CN6-P25	GND
CN6-P26	DSI-CKP
CN6-P27	LCD-BL-EN	PD29
CN6-P28	GND
CN6-P29	LCD-RST	PD26
CN6-P30	DSI-D2N
CN6-P31	LCD-PWR-EN	PD27
CN6-P32	DSI-D2P
CN6-P33	GND
CN6-P34	GND
CN6-P35	LCD-PWM	PD28
CN6-P36	DSI-D3N
CN6-P37	GND
CN6-P38	DSI-D3P
CN6-P39	AP-RESET#
CN6-P40	GND

UART specification:

The header CON4 is the UART interface.For developers of Banana Pi, this is an easy way to get the UART console output to check the system status and log message.

CON2 Pin Name	Default Function	GPIO
CON2 P03	UART0-TXD	PB9
CON2 P02	UART0-RXD	PB10
CON2 P01	GND