2. Brief description of functions
2.1 Pin Definition
No.
1、8、9、
11、12、
13、16、
17、28、
29、44
2
3
4
5
6
7
10
14
15
Pin
I/O Functions and instructions for use
Definition
GND
GPIO26
IO
GPIO27
IO
RST
I
SOP2
I
SOP1
I
SOP0
I
VCC
IO
GPIO31
GPIO0
IO
Power ground
General purpose IO port
General purpose IO port
Module reset pin, low reset
Burn emulation mode selection
Burn-in emulation mode selection
Burn-in emulation mode selection
Device power supply VDC:2.4V~3.6V (300mA or more)
General IO port
General IO port