## Pi-2 Connector
3.3V					1	2					5V
PH3	TWI1_SDA/GPIO 2/I2C1_SDA	3	4					5V
PH2	TWI1_SCK/GPIO 3/I2C1_SCL	5	6					GND
PL10	S_PWM/GPIO 4/GPCLK0		7	8	UART_TXD/GPIO 14/UART2_TX	PB0
GND					9	10	UART_RXD/GPIO 15/UART2_RX	PB1
PC7	GPIO 17				11	12	GPIO 18				PC8
PH9	GPIO 27				13	14					GND
PC12	GPIO 22				15	16	GPIO 23				PC13
3.3V					17	18	GPIO 24				PC14
PC0	SPI0_MOSI/GPIO 10/SPI_MOSI	19	20					GND
PC1	SPI0_MISO/GPIO  9/SPI_MISO	21	22	GPIO 25				PC15
PC2	SPI0_CLK/GPIO 11/SPI_SCLK	23	24	SPI_CE0/GPIO 8/SPI0_CS		PC3
GND					25	26	SPI_CE1/GPIO 7			PH7
PL9	TWI_SDA/ID_SD			27	28	ID_SC/TWI_SCK			PL8
PH5	GPIO 5				29	30					GND
PH6	GPIO 6				31	32	GPIO 12				PC4
PC5	GPIO 13				33	34					GND
PC9	GPIO 19				35	36	GPIO 16				PC6
PC16	GPIO 26				37	38	GPIO 20				PC10
GND					39	40	GPIO 21				PC11

## Euler "e" Connector
3.3V				1	2				DC IN
Lithium Batt+			3	4				DC IN
Temp Sensor			5	6				GND
PL11	IR_RX			7	8				5V
GND				9	10	SPDIF/OWA_OUT		PH8
PB3	I2S_MCK			11	12	I2S_SYNC		PB4
PB5	I2S_BCK			13	14				GND
PB6	I2S_DOUT		15	16	I2S_DIN			PB7
3.3V				17	18	UART4_RTS		PD4
PD2	SPI1_MOSI/UART4_TX	19	20				GND
PD3	SPI1_MISO/UART4_RX	21	22	UART4_CTS		PD5
PD1	SPI1_CLK/UART3_RX	23	24	UART3_TX/SPI1_CS	PD0
GND				25	26				PD6
PB2				27	28				PD7
PB8	UART0_TX		29	30	UART0_RX		PB9
EAROUTP				31	32				EAROUT_N
N.C.				33	34				GND

## Exp Connector
3.3V			1	2	System LED			PL7
Charger LED		3	4					Reset Sw
Pwr/Stb Sw		5	6					GND
PB8	UART0_TX	7	8	UART0_RX (With Level Shifter)	PB9
GND			9	10					KeyADC

## Wifi/BT Connector
### J49
GND				1	2	WL-SDIO-D0/SDC1-D0	PG2
PG0	SDC1-CK/WL-SDIO-CLK	3	4	WL-SDIO-D1/SDC1-D1	PG3
GND				5	6	WL-SDIO-D2/SDC1-D2	PG4
PG1	SDC1-CMD/WL-SDIO-CMD	7	8	WL-SDIO-D3/SDC1-D3	PG5
PL2	S-UART-TX/WL-REG-ON	9	10	CK32			X32KFOUT
PL3	S-UART-RX/WL-WAKE-AP	11	12				GND
VCC-WIFI			13	14				VCC-WIFI

### J50
PG10	AIF3-SYNC/PCB1-SYNC/BT-PCM-SYNC	1	2	BT-UART-RX/UART1-TX	PG6
PG11	AIF3-BCLK/PCB1-BCLK/BT-PCM-CLK	3	4	BT-UART-TX/UART1-RX	PG7
PG12	AIF3-DOUT PCB1-DOUT/BT-PCM-DIN	5	6	BT-UART-CTS/UART1-RTS	PG8
PG13	AIF3-DIN/PCB1-DIN/BT-PCM-DOUT	7	8	BT-UART-RTS/UART1-CTS	PG9
GND					9	10				GND
PL5	S-JTAG-CK/BT-WAKE-AP		11	12	BT-RST-N/S-JTAG-MS	PL4
PL6	S-JTAG-DO/AP-WAKE-BT		13	14				VCC-WIFI-IO
GND					15	16				GND