HUAWEI MU736 HSPA+ M.2 Module
Hardware Guide
Description of the Application Interfaces
Issue 05 (2014-01-14)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
27
Figure 3-13
Hardware circuit for RESET# (Option 2)
Option 3: Hardware circuit for RESET#
In this case, the GPIO is not high-impedance when the host is powered off.
Use only one NMOSFET, in this case the logic of RESET# pin and GPIO1 is reversed.
Figure 3-14
Hardware circuit for RESET# (Option 3)
HOST
MU736
0
Ω
RESET#
Pin 67
GPIO1
33
рF
MU736
RESET#
Pin 67
HOST
0
Ω
GPIO1
1M
Ω
NMOS
NMOS
VCC
GPIO1
33
рF