Product Data Sheet
Arduino MKR WAN 1310 
4 Connector Pinouts 
4.1 USB 
Note that the board can support USB host mode only if powered via the V
USB
 pin and if the jumper close 
to the VUSB pin is shorted. 
4.2 Headers 
Board exposes two 28 pin connectors assembled with pin headers. 
Pin 
Function 
Type 
Description 
1 
V
USB
Power 
Power Supply Input. Output is board is powered via V
USB
 from header 
2 
D- 
Differential 
USB differential data - 
3 
D+ 
Differential 
USB differential data + 
4 
ID 
Analog 
Selects Host/Device functionality 
5 
GND 
Power 
Supply Ground 
Pin 
Function 
Type 
Description 
1 
AREF 
Analog 
Analog Reference. 
2 
A0/DAC0 
Analog 
ADC in/DAC out, Can be used as GPIO 
3 
A1 
Analog 
ADC in, Can be used as GPIO 
4 
A2 
Analog 
ADC in, Can be used as GPIO 
5 
A3 
Analog 
ADC in, Can be used as GPIO 
6 
A4/SDA 
Analog 
ADC in, I
2
C SDA, Can be used as GPIO 
7 
A5/SCL 
Analog 
ADC in, I
2
C SCL, Can be used as GPIO 
8 
A6 
Analog 
ADC in, Can be used as GPIO 
9 
D0 
Digital 
GPIO, can be used as PWM 
10 
D1 
GPIO, can be used as PWM 
11 
D2/PWM 
Digital 
GPIO, can be used as PWM 
12 
D3/PWM 
Digital 
GPIO, can be used as PWM 
13 
D4/PWM 
Digital 
GPIO, can be used as PWM 
14 
D5/PWM 
Digital 
GPIO, can be used as PWM 
15 
D6 
Digital 
GPIO, can be used as PWM 
16 
D7 
Digital 
GPIO can be used as PWM 
17 
D8/MOSI 
Digital 
SPI MOSI, can be used as GPIO, can be used as PWM 
18 
D9/SCK 
Digital 
SPI SCK, can be used as GPIO, can be used as PWM 
19 
D10/MISO 
Digital 
SPI MISO, can be used as GPIO 
20 
D11/SDA 
Digital 
I2C SDA, can be used as GPIO 
21 
D12/SCL 
Digital 
I2C SCL, can be used as GPIO 
22 
D13/RX 
Digital 
USART RX, can be used as GPIO 
23 
D14/TX 
Digital 
USART TX, can be used as GPIO 
24 
RESETN 
Digital 
Reset input 
25 
GND 
Power 
Power Ground 
26 
+3V3 
Power Out 
27 
VIN 
Power In 
Vin Power input 
28 
+5V 
Power Out 
Power Ground 
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Arduino MKR WAN 1310 - 12/23/2020 










