nRF52 dk gpio probelem

[huidi]

Hi, I'm using a nRF52 dk board as a switch to control a circuit. The problem is I not sure which gpio can be used to act as a switch to control the circuit. Thanks.

[huidi]

P2/P8 Analog in

PIN #

Signal Name

NRF52832 Functions

1 A0 P0.03 / AIN1
2 A1 P0.04 / AIN2
3 A2 P0.28 / AIN4
4 A3 P0.29 / AIN5
5 A4 P0.30 / AIN6
6 A5 P0.31 / AIN7

P3/P9 Digital I/O

PIN #

Signal Name

NRF52832 Functions

1 D0 (RX) P0.11
2 D1 (TX) P0.12
3 D2 P0.13
4 D3 P0.14 / TRACEDATA[3]
5 D4 P0.15 / TRACEDATA[2]
6 D5 P0.16 / TRACEDATA[1]
7 D6 P0.17
8 D7 P0.18 / TRACEDATA[3] / SWO

P4/P10 Digital I/O

PIN #

Signal Name

NRF52832 Functions

1 D8 P0.19
2 D9 P0.20 / TRACECLK
3 D10 (SS) P0.22
4 D11 (MOSI) P0.23
5 D12 (MISO) P0.24
6 D13 (SCK) P0.25
7 GND N/A
8 AREF P0.02 / AIN0
9 SDA P0.26
10 SCL P0.27