User's Manual

Zhejiang Dusun Electron Co., Ltd
Zhejiang Dusun Electron Co., Ltd Floor 8, Building A, Wantong Center
Tel: [phone] 8810480 Hangzhou, China
Website: www.dusuniot. www.dusunremotes.com www.dusunlock.com
6
PD13 I/O Corresponding to PD13 of IC
7
PD14 I/O Corresponding to PD14 of IC
8
PD15
I/O
Corresponding to PD15 of IC
9
PB11 I/O Corresponding to PB11 of IC
10
PB12 I/O Corresponding to PB12 of IC
11
PB13 I/O Corresponding to PB13 of IC
12
PB14 I/O Corresponding to PB14 of IC
13
PB15 I/O Corresponding to P15 of IC
14
NC
Not connect
15
NC
Not connect
16
NC
Not connect
17
PF3 I/O Corresponding to PF3 of IC
18
PF2 I/O Corresponding to PF2 of IC
19
NC Not connect
20
GND P Power supply reference ground pin
21
VCC P Power supply pin (3.3V)
22
RX0 I Corresponding to internal RXD0 of IC
23
TX0 O Corresponding to internal TXD0 of IC
24
SWDIO I/O
Corresponding to internal SWDIO of IC
25
SWCLK I/O Corresponding to internal SWCLK of IC
26
PC11 I/O Corresponding to PC11 of IC
27
PC10 I/O
Corresponding to PC10 of IC
28
nRESET I
Hardware reset pin, which is at a high level by default and is
active at a low level
• P indicates power supply pins, I/O indicates input/output pins