Usim Power Output Uim_Pwr; Signal Control Interface; Overview - Huawei ME936 Hardware Manual

HUAWEI ME936 LTE M.2 Module
Hardware Guide
Figure 3-4 ME936 power supply time sequence for power cycling
Voltage
3.135 V
Parameter
T

3.3.3 USIM Power Output UIM_PWR

Through the UIM_PWR power supply interface, the ME936 module can supply 1.8 V
or 2.85 V power to UIM card.

3.4 Signal Control Interface

3.4.1 Overview

The signal control part of the interface in the ME936 module consists of the following:


Issue 03 (2017-12-11)
Power Off
4.4 V
Undefined State
1.8 V
Remarks
Power off time
off
The max. current can reach 200 mA, so special attention on PCB design should be taken at
the host side.
Power On/Off (Power_On_Off) pin
System reset (RESET#) pin
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Description of the Application Interfaces
Power On
Power On
Power Off
T >
off
100ms
Time
Time (Min.)
100
Unit
ms
21