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.
24
The recommended connections are shown as in Figure 3-8 .
Figure 3-8
Recommended connections of Power_On_Off pins (Control)
Power on sequence
Do not toggle RESET# pin during power on sequence. Pulling RESET# pin low will
extend time for module startup.
Recommended power on timing is shown as in Figure 3-9 .
Figure 3-9
Recommended power on timing
Power off Sequence
Keep Power_On_Off pin logic low for more than 500 ms to power off the module.
3.3V (Vbatt,
always on)
RESET#
Power_On_off
Power on
t0
≥ 0 ms
t0
MU736
Pin 6
HOST
GPIO
Power_On_Off