User's Manual

9
5
P0.30/AIN6
Digital I/O pin; analog I/O pin
6
P0.31/AIN7
Digital I/O pin; analog I/O pin
7
P0.02/AIN0
Digital I/O pin; analog I/O pin
8
P0.03/AIN1
Digital I/O pin; analog I/O pin
9
P0.04/AIN2
Digital I/O pin; analog I/O pin
10
VBAT
Power supply
11
GND
PWR GND
12
RSTN
RESET
13
SWDCLK
Clock debugging pin
14
SWDIO
Data debugging pin
15
P0.07
Digital I/O pin
16
P0.08
Digital I/O pin
17
P0.14/UART_TX
Digital I/O pin; serial data TXD pin
18
P0.15/UART_RX
Digital I/O pin; serial data RXD pin
19
P0.09
Digital I/O pin;
20
P0.10
Digital I/O pin;
21
P0.16
Digital I/O pin
22
P0.17
Digital I/O pin
23
P0.18
Digital I/O pin
24
P0.19
Digital I/O pin
25
P0.20
Digital I/O pin
26
GND
PWR GND
27
ANT
External antenna interface; when using need to reserve π
matching circuit
For detail pin descriptions, please refer to nRF52832 data sheet.
Note: When customizing software, user can keep the original configuration of P 0.25 and
P 0.26 without change, or you can set pull-down.