Data Sheet

Shenzhen Holyiot Technology Co.,Ltd
www.holyiot.com [e-mail]
10
3.3 Pin assignment
PIN No. PIN define Functions
1 P0.24 General purpose I/O
2 P0.23 General purpose I/O
3 P0.22 General purpose I/O
4 P0.21
nRESET
General purpose I/O
Configurable as pin reset
5 SWDCLK Serial wire debug clock input for debug
and programming
6 SWDIO Serial wire debug I/O for debug and
programming
7 P0.20 General purpose I/O
8 P0.19 General purpose I/O
9 P0.18 General purpose I/O
10 P0.17 General purpose I/O
11 P0.16 General purpose I/O
12 P0.15 General purpose I/O
13 P0.14 General purpose I/O
14 P0.13 General purpose I/O
15 P0.12 General purpose I/O
16 P0.11 General purpose I/O
17 P0.10 General purpose I/O
18 P0.09 General purpose I/O
19 P0.08 General purpose I/O
20 P0.07 General purpose I/O
21 P0.06 General purpose I/O
22
P0.05
AIN3
General purpose I/O
COMP input
SAADC input
23
P0.04
AIN2
General purpose I/O
COMP input
SAADC input
24
P0.03
AIN1
General purpose I/O
COMP input
SAADC input
25 VCC Power supply
26 GND Ground