User's Manual

 

8

2. Electrical Parameters

2.1 Operating Conditions

EMW3081 input voltage falls below the minimum rated voltage will cause instability. Must note

this point when designed power supply.

Table2.Inputvoltagerange

Symbol Description Condition

Detail

Min Typ Max Unit

VDD Power supply 3.0 3.3 3.6 V

Stresses above the absolute maximum ratings may cause permanent damage to the device.

These are stress ratings only and functional operation of the device at these conditions is not implied.

Exposure to maximum rating conditions for extended periods may affect device reliability.

Table3.Ratedvoltageparameters

Symbol Description Min Typ Unit

VDD

The input voltage of Module power supply

–0.3 3.6 V

VIN The pin’s input voltage of GPIO −0.3 3.6 V

2.2 Power Parameters

Table4.EMW3081powerparameters

Condition Current（3V3） Description

Deep sleep

16 uA

Waked up by low power timer and GPIO

triggering

Sleep 19 mA Stay connected but no data transfer

Only CPU operation mode 33 mA

CPU clock at 166MHZ, UART/SPI/I2C is

available, Wi-Fi is unavailable

11n RX mode 61 mA

CPU clock at 166MHZ, UART/SPI/I2C is

available, Wi-Fi operates in 11n RX data

rece

tion mode