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HUAWEI MC509 CDMA LGA Module
Hardware Guide
Description of the Application Interfaces
Issue 01 (2011-04-08)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
19
PIN
No.
Pin Name
I/O
Description
DC Characteristics (V)
Normal
MUX
Min
Typical
Max
96
EAR_OUT_N
-
O
(Only telematics version
supports audio function ,
Data only version does
not support this function)
Negative pole of the
output of Earphone
interface
-
-
-
97
EAR_OUT_P
-
O
(Only telematics version
supports audio function ,
Data only version does
not support this function)
Positive pole of the output
of Earphone interface
-
-
-
98
SPKR_OUT_P
-
O
(Only telematics version
supports audio function,
Data only version does
not support this function)
Positive pole of the output
of speaker interface
-
-
-
99
SPKR_OUT_N
-
O
(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
-
-
GND
-
-
-
107
MAIN_ANT
-
-
RF main antenna
interface
-
-
-