Signal Control Interface; Overview; Wake# Signal - Huawei MU709 Series Hardware Manual

HUAWEI MU709 Series HSPA+ Mini PCIe Module
Hardware Guide

3.4 Signal Control Interface

3.4.1 Overview

The signal control part of the interface in the MU709 module consists of the following:


WAKE# Signal


RESIN_N Signal

LED_WWAN# Signal
Table 3-3 Definitions of the pins on the signal control interface
Pin Pin Name
No.
1 WAKE#
22 RESIN_N
42 LED_WWAN#
3.4.2 WAKE# Signal
WAKE# signal supports software control.
This signal is used for module to wake up the host. It is designed as an OC (Open
Collector) gate, so it should be pulled up by the host and it is active-low.
When the module wakes up the host, the WAKE# pin will output low-level-voltage for
1s to wake up the host.
Pad Description
Type
O Open collector active low signal.
This signal is used to wake up the
host.
I Reset module
Active-low
O Active-low LED signal indicating
the state of the card.
Description of the Application Interfaces
Parameter
-
V
IL
V
IH
V
OL
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
Issue 04 (2015-06-25)
Min. Typ. Max.
(V) (V) (V)
–0.3 - 0.45
–0.3 0 0.3
1.17 1.8 3.6
–0.3 - 0.45
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