Specifications
美的 IoT 公司
18 / 20
6. Electrical parameters
Power supply parameters:
Under 5V working power supply:
Symbol
parameter
The
minimum
value
Typical
values
The
maximum
unit
VDD
The power
input
4.5
5
5.5
V
(ripple control within 100mv)
3.3v Operating Power:
Symbol
parameter
The
minimum
value
Typical
values
The
maximum
unit
VDD
The power
input
3.135
3.3
3.465
V
(ripple control within 100mv)
Communication serial port level parameters:
Under 5V working power supply:
Symbol
parameter
The
minimum
value
Typical
values
The
maximu
m
unit
VIH
High Level Input Voltage
4.5
5
VDD
V