HUAWEI MU709 Series HSPA+ LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 09 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
21
Pin
No.
Pin Name
Pad
Type
Description
Parameter
Min.
(V)
Typ.
(V)
Max.
(V)
Comments
V
OL
0
-
0.2 x
USIM
_VCC
91
Reserved
-
Reserved, please keep
this pin open.
-
-
-
-
-
92
SD_VCC
PO
SD Card Power.
Only used for debugging.
Please reserve the test
point.
-
2.9
3.0
3.1
-
93
NC
-
Not connected
-
-
-
-
-
94
NC
-
Not connected
-
-
-
-
-
95
NC
-
Not connected
-
-
-
-
-
96
NC
-
Not connected
-
-
-
-
-
97
NC
-
Not connected
-
-
-
-
-
98
NC
-
Not connected
-
-
-
-
-
99
NC
-
Not connected
-
-
-
-
-
100
RESIN_N
I
Reset module.
V
IH
1.26
1.8
2.1
-
V
IL
-0.3
-
0.63
101
LED_MODE
O
Mode indicator
Current sink
Drive strength: 10 mA
-
-
-
-
-
102
Reserved
-
Reserved, please keep
this pin open.
-
-
-
-
-
103
NC
-
Not connected
-
-
-
-
-
104
Reserved
-
Reserved, please keep
this pin open.
-
-
-
-
-
105
GPIO1
I/O
General Purpose I/O
pins.
V
OH
1.35
1.8
2.1
The function of
this pin has not
been defined.
V
OL
0
-
0.45
V
IH
1.26
1.8
2.1
V
IL
–0.3
-
0.63
106
GND
-
Ground
-
-
-
-
-
107
MAIN_ANT
-
RF main antenna pad
-
-
-
-
-
108
GND
-
Ground
-
-
-
-
-
109
GPIO4
I/O
General Purpose I/O
V
OH
1.35
1.8
2.1
The function of