Specifications

Midea MCA Division
6 / 11
Dimensions：30X18mm
PCB Thickness：1.0mm
Tolerance：±0.3mm
5、Pin Descriptions
6、Electrical Characteristics
Pin NO.
Pin Name
Description
1
GND
Ground
2
UART_TX
UART Transmit
3
UART_RX
UART Receive
4
VDD
Power Supply
Symbol
Parameter
Minimum
Typical
Maximum
Unit
VDD
Power Supply
(power ripple <100mV）
3.1
5
5.25
V
Current-
AP(5V)
Average current in
2min(mA)
36
65
224
mA
Current
–STA(5V)
Average current in
2min(mA)
32
40
240
mA
VIH
High Level Input Voltage
4.5
5
5.5
V
VIL
Low Level Input Voltage
-0.3
-
0.3
V