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HUAWEI MU509-65 HSDPA LGA Module
Hardware Guide
Pin
Pin Name
No.
71
WAKEUP_OUT
3.4.2 POWER_ON_OFF Pin
The module can be powered on/off by the POWER_ON_OFF pin.
If the POWER_ON_OFF pin is pulled down for at least 0.5s, the module is powered
on; if the POWER_ON_OFF pin is pulled down for at least 0.5s again, the module is
powered off.
Figure 3-5 Connections of the POWER_ON_OFF pin
Power-On Time Sequence
After VBAT has been applied and is stable, the POWER_ON_OFF signal is pulled
down, and then the module will boot up. Figure 3-6 shows power on timing.
During power on timing, please make sure the VBAT is stable.
Issue 01 (2016-04-08)
Pad
Description
Type
module into sleep
or wakes up the
module from
sleep.
Module wakes up
O
the host.
It is recommended to use resistance of 0 Ω in the DTE to isolate signals transmitted from above
pins in Table 3-5 .
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Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Min.
Typ.
Parameter
(V)
(V)
–0.3
V
-
IL
V
2.15
-
OH
V
0
-
OL
Max.
Comments
(V)
0.91
-
2.6
-
0.45
-
26
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