HUAWEI MC509 Series CDMA LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 02 (2013-05-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
19
PIN
No.
Pin Name
I/O
Description
DC Characteristics (V)
Normal
MUX
Min. Typ.
Max.
99
SPKR_OUT_N
-
AO
(Only telematics version supports
audio function, Data only version
does not support this function)
Negative pole of the output of
speaker interface
-
-
-
100
RESIN_N
-
I
Reset module.
–0.3 1.8
2.1
101
LED_MODE
-
I
Mode indicator
SINK current source
Driver strength: 10 mA
-
-
-
102
NC
-
-
Not connected, please keep this
pin open
-
-
-
103
NC
-
-
Not connected, please keep this
pin open
-
-
-
104
NC
-
-
Not connected, please keep this
pin open
-
-
-
105
GPIO
-
I/O
General I/O pins. The function of
these pins has not been defined.
–0.3 2.6
2.9
106
GND
-
-
Ground
-
-
-
107
MAIN_ANT
-
-
RF main antenna pad
-
-
-
108
GND
-
-
Ground
-
-
-
109
GPIO
-
I/O
General I/O pins. The function of
these pins has not been defined
–0.3 2.6
2.9
110
GND
-
-
Ground
-
-
-
111
GPS_ANT
-
-
RF GPS antenna pad
-
-
-
112
GND
-
-
Ground
-
-
-
113
GPIO
-
I/O
General I/O pins. The function of
these pins has not been defined
–0.3 2.6
2.9
114
GND
-
-
Ground
-
-
-
115
AUX_ANT
-
-
RF divert antenna pad
-
-
-
116
GND
-
-
Ground
-
-
-
117
NC
-
-
Not connected, please keep this
pin open
-
-
-
118
NC
-
-
Not connected, please keep this
pin open
-
-
-
119
NC
-
-
Not connected, please keep this
pin open
-
-
-