Power Supply Time Sequence - Huawei MU709 Series Hardware Manual
Hspa+ mini pcie module
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Also See for MU709 Series:
- Hardware manual (86 pages) ,
- Design manual (18 pages) ,
- Development kit manual (35 pages)
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HUAWEI MU709 Series HSPA+ Mini PCIe Module
Hardware Guide
3.3.2 Power Supply Time Sequence
Power on Sequence
Figure 3-2 Power on timing sequence
Parameter
T
PD+
Do not toggle RESIN_N pin during the power on sequence. Pull-Down RESIN_N pin will extend
time for module startup.
Power off Sequence
Cutting off the VCC_3V3 power supply will power off the module.
Figure 3-3 Power off timing sequence
Remarks
Power Valid to USB D+ high
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
Issue 04 (2015-06-25)
Description of the Application Interfaces
Time (Nominal value)
7.0
Unit
s
17
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