circuitpython/ports/nrf/boards/particle_xenon/pins.csv

1	LED1,P13
2	LED2,P14
3	LED3,P15
4	A0,P3,ADC0_IN1
5	A1,P4,ADC0_IN2
6	A2,P28,ADC0_IN4
7	A3,P29,ADC0_IN5
8	A4,P30,ADC0_IN6
9	A5,P31,ADC0_IN7
10	SPI_SS,P31
11	SPI_SCK,P47
12	SPI_MOSI,P45
13	SPI_MISO,P46
14	SPI1_SCK,P33
15	SPI1_MOSI,P34
16	SPI1_MISO,P40
17	UART1_RX,P8
18	UART1_TX,P6
19	UART2_RX,P42
20	UART2_TX,P40
21	SDA,P26
22	SCL,P27
23	SDA1,P33
24	SCL1,P34
25	D0,P26
26	D1,P27
27	D2,P33
28	D3,P34
29	D4,P40
30	D5,P42
31	D6,P43
32	D7,P44
33	D8,P35
34	D9,P6
35	D10,P8
36	D11,P46
37	D12,P45
38	D13,P47