Wiren Board 5: List of GPIOs (rev 5.1)

АDC

terminal pin	function	sodim output	GPIO	imx287 output	comments
A1	FET/ADC/DI	111	LRADC1	C9
A2	FET/ADC/DI	109	LRADC2	C8
A3	FET/ADC/DI	107	LRADC3	D9
A4	FET/ADC/DI	105	LRADC4	D13
R1	R/ADC/DI	103	LRADC0	D15
R2	R/ADC/DI	101	LRADC6	C14

GPIO on the terminals

terminal strip	function	sodim output	GPIO	imx287 output	comments
A1 (in)	FET/ADC/DI	130	0-4	T7
A2 (in)	FET/ADC/DI	128	0-5	R7
A3 (in)	FET/ADC/DI	126	0-6	U6
A4 (in)	FET/ADC/DI	122	0-28	L9
R1 (in)	R/ADC/DI	124	0-6	T6
R2 (in)	R/ADC/DI	106	0-27	P7

GPIO for transistors

terminal strip	function	sodim output	GPIO	imx287 output	comments
A1 (out)	ADC/FET/DI	104	0-26	P6	Open collector output;
A2 (out)	ADC/FET/DI	102	0-16	N7	Open collector output;
A3 (out)	ADC/FET/DI	100	0-24	R6	Open collector output;
A4 (out)	ADC/FET/DI	98	0-20	N6	Open collector output;

GPIOs for internal use

sodim output	GPIO	imx287 output	function
86	3-20	G7	1-wire
84	3-22	F7	1 -Wire transistor pull-up
52	PWM4	E10	irda out
73	1-25	K1	3.3V rail shutdown
150	1-6	N2	RFM69H IRQ
132	0-3	U7	RFM69H chip selection
152	1-5	M3	RFM69H _DIO2
92	0-17	N9	SIM900R power FET (RESET)
134	0-2	R8	SIM900R power KEY
148	1-7	P1	SIM900R power status (input)
37	2-13	C1	watchdog output
50	PWM3	E9	Buzzer
80	3-26	E8	Red LED
82	3-23	E7	Green LED
172	1-11	R2	STAT1 (power supply)
174	1-10	R1	STAT2 (power supply)
45	2-15	E1	switching UART-CAN/RS-485. low - RS-485, high - CAN (not used on samples, RS-485 is always on)

GPIO on extension connector (left)

sodim output	GPIO	imx287 output	pin	function
21	2-21	K7	SDA	GPIO, I2C (soft)
35	2-12	B1	SCL	GPIO, I2C (soft)
11	SPI3_SS0 / 2-27	D2	IRQ	GPIO, SPI Slave Select

GPIOs on extension slot(right)

sodim output	GPIO	imx287 output	pin	function
34	0-22	M8	SDA	GPIO, I2C SDA(soft), CAN TX
36	0-23	L8	SCL	GPIO, I2C SCL(soft), CAN RX
12	2-19	C4	IRQ	GPIO, SPI Slave Select

List of serial ports

• /dev/ttyAPP0 - GSM-modem
• /dev/ttyAPP1 - port RS-485 on RS-485 terminals
• /dev/ttyAPP4 - port RS-485 on RS-485/CAN terminals
• /dev/ttyAPP2 - port UART on first extension module
• /dev/ttyAPP3 - port UART on second extension module

See also GPIO Howto