Data Sheet

Shenzhen Holyiot Technology Co.,Ltd
www.holyiot.com [e-mail]
9
PIN No.
PIN define
Functions
1
GND
Ground
2
P0.17
General purpose I/O
3
P0.16
General purpose I/O
4
SWDIO
Serial wire debug I/O for debug and
programming
5
SWDCLK
Serial wire debug clock input for debug
and programming
6
P0.20
General purpose I/O
7
P0.18
nRESET
General purpose I/O
Configurable as pin RESET
8
D+
USB D+
9
D-
USB D-
10
GND
Ground
11
VBUS
5 V input for USB 3.3 V regulator
12
VDDH
High voltage power supply
13
VDD
Power supply
14
P0.07
General purpose I/O
15
P0.06
General purpose I/O
16
P0.05
AIN3
General purpose I/O
Analog input
17
P0.04
AIN2
General purpose I/O
Analog input
18
GND
Ground
19
P0.14
General purpose I/O
20
P0.15
General purpose I/O
21
P0.02
AIN0
General purpose I/O
Analog input
22
P0.03
AIN1
General purpose I/O
Analog input
23
P0.28
General purpose I/O
24
P0.30
General purpose I/O
25
P0.29
General purpose I/O
26
P0.08
General purpose I/O
27
GND
Ground