PineCube GPIO and Test Points

GPIO Header Pin Table

Pin	Name	Ball	Linux GPIO	Alternate Func 1	Alternate Func 2	Interrupt
1	3V3	DCDC3
2	5V	PS
3	TWI1_SDA	PB9	41	TWI1_SDA	UART0_RX	PB_EINT9
4	5V	PS
5	TWI1_SCK	PB8	40	TWI1_SCK	UART0_TX	PB_EINT8
6	GND	GND
7	PWM1	PB5	37	PWM1		PB_EINT5
8	UART_TXD	PB0	32	UART2_TXD		PB_EINT0
9	GND	GND
10	UART_RXD	PB1	33	UART2_RX		PB_EINT1
11	GPIO17	PC5	69		SDC2_D2
12	GPIO18	PC6	70		SDC2_D3
13	GPIO27	PC7	71		SDC2_D4
14	GND	GND
15	GPIO22	PC8	72		SDC2_D5
16	GPIO23	PC9	73		SDC2_D6
17	3V3	DCDC3
18	GPIO24	PC10	74		SDC2_D7
19	SPI-MOSI	PC3	67	SPI0_MOSI	SDC2_D0
20	GND	GND
21	SPI-MISO	PC0	64	SPI0_MISO	SDC2_CLK
22	PWM0	PB4	36	PWM0		PB_EINT4
23	SPI-CLK	PC1	65	SPI0_CLK	SDC2_CMD
24	SPI_CE0	PC2	66	SPI0_CS	SDC2_RST
25	GND	GND
26	SPI_CE1	PC4	68		SDC2_D1

Important notes:

• First ball is marked with white dot
• SPI is multiplexed also with SPI flash
• SPI_CE1 is normal GPIO pin"