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HUAWEI ME936 LTE M.2 Module
Hardware Guide
Description of the Application Interfaces
Issue 03 (2017-12-11)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
34
Figure 3-21
Connections of the BodySAR_N pin
It is not recommended to add a diode on the BodySAR_N pin outside the ME936
module.
3.4.9
SIM_DET Pin
ME936 supports USIM Hot Swap function.
ME936 provides an input pin (SIM_DET) to detect whether the USIM card is present
or not. This pin is an edge trigger pin.
Table 3-9
Function of the SIM_DET pin
No.
SIM_DET
Function
1
Rising edge
USIM Card insertion.
If the USIM Card is present, SIM_DET pin should be high.
2
Falling edge
USIM Card removal.
If the USIM Card is absent, SIM_DET pin should be low.
Module
(Modem)
BB Chip
1.8V
BodySAR_N
VCC From Host
10 kΩ
Proximity
sensor
USB
Host AP