Chengdu Ebyte Electronic Technology Co.,Ltd.
MBL Evaluation Kit User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
4
1.3 Support List
Pin Serial Number
Definition
Function Description
1
VCC
Module power supply pin, need to short with
pin 2 to power the module
2
3.3V
3.3V electrical lead pin
3
3.3V
3.3V electrical lead pin
4
VIO
MCU power supply pin, need to short with pin
3 to power MCU
5
GND
Base plate reference ground
6
REST
MCU external reset pins
7
SWIM
SWIM pins of MCU
8
VIO
MCU power supply pins
9
PC0
Module reset pins
10
PB7
Module MISO Pinout
11
PB6
Module MOSI Pinout
12
PB5
Module SCLK pins
13
PB4
Module NSS Pinout
14
TXD
MCU serial port TXD
15
RXD
MCU serial port RXD
16
M1
Module mode switching pins (see module
product manual for details)
17
GND
Base plate reference ground
18
M0
Module mode switching pins (see module
product manual for details)
19
GND
Base plate reference ground
