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