Product Manual

IOT service supplier who understands you best
Location：Rm.1502,East Tower,FIYTA Tech. Bldg.,Southern District of High-tech Industrial
Park,Nanshan District,Shenzhen 518057,P.R.China
- 5 -
2.4 PIN Description
Form 3 Module PIN Description
Note：Input voltage higher then VCC will destroy the module.
PIN
PIN On nRF52
Description
1
P25
Digital I/O
2
P26
Digital I/O
3
P27
Digital I/O
4
P28
Analog input /Digital I/O
5
P29
Analog input /Digital I/O
6
P30
Analog input /Digital I/O
7
P31
Analog input /Digital I/O
8
GND
GND
9
VCC
1.8 V ~3.6V（Recommended voltage range）
10
P0.00
General purpose I/O Connection for 32.768 kHz crystal (LFXO)
11
P0.01
General purpose I/O Connection for 32.768 kHz crystal (LFXO)
12
P02
Analog input /Digital I/O
13
P03
Analog input /Digital I/O
14
P04
Analog input /Digital I/O
15
P05
Analog input /Digital I/O
16
P06
Digital I/O
17
P11
Digital I/O
18
P12
Digital I/O
19
P13
Digital I/O
20
P18
Digital I/O
21
P19
Digital I/O
22
P20
Digital I/O
23
P0.21/NRESET
Digital I/O / Configurable as pin reset
24
SWCLK
Serial wire debug clock input for debug and programming
25
SWDIO
Serial wire debug I/O for debug and programming