HUAWEI MU739 HSPA+ LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 01 (2011-08-24)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
22
Hardware reset (RESIN_N) pin
Network status LED (LED_STATUS/LED_MODE) pins
W_DISABLE_N signal pin
WAKEUP_IN signal pin
WAKEUP_OUT signal pin
SLEEP_STATUS signal pin
Table 3-3 lists the pins on the signal control interface.
Table 3-3
Pins on the signal control interface
Pin
No.
Pin Name
I/
O
Description
DC Characteristics(V)
Min Typical Max
13
ON1
I Turn on the module, high
active
-0.3
1.8
2.1
48
ON2_N
I Turn on the module, low
active
-0.3
1.8
2.1
9
RESOUT_N
O Reset output
-0.3
1.8
2.1
31
PWRDWN_N
I
Put the complete system
(baseband, PMU and RF)
into an initial state
-
1.8
-
53
RESIN_N
I Baseband reset
-0.3
1.8
2.1
39
W_DISABLE_N
I Airplane mode
-0.3
1.8
2.1
45
LED_STATUS
O Pin for network status
LED
-0.3
1.8
2.1
46
LED_MODE
O Pin for network mode LED -0.3
1.8
2.1
42
WAKEUP_IN
I
H: AP wakeup MU739.
L: AP set MU739 to sleep
mode.
-0.3
1.8
2.1
43
WAKEUP_OUT
O Module to wake up the AP -0.3
1.8
2.1
17
SLEEP_STATUS O
Indicates the sleep status
of MU739
H: MU739 is awake,
L: MU739 is in sleep
-0.3
1.8
2.1
It is recommended to use resistor of 0ohm in the AP side to isolate signals transmitted from
above pins in Table 3-3
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