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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.
16
PIN
No.
Pin Name
I/O
Description
DC Characteristics (V)
Normal
MUX
Min
Typical
Max
39
MIC2_N
-
I
(Only telematics version
supports audio function,
Data only version does
not support this function)
Negative pole of the input
of audio interface 2
-
-
-
40
MIC1_P
-
I
(Only telematics version
supports audio function ,
Data only version does
not support this function)
Positive pole of the input
of audio interface 1
-
-
-
41
MIC1_N
-
I
(Only telematics version
supports audio function ,
Data only version does
not support this function)
Negative pole of the input
of audio interface 1
-
-
-
42
JTAG_TCK
-
I
JTAG clock input
-0.3
2.6
2.9
43
Reserved
-
-
-
-
-
-
44
GPIO
-
I/O
General I/O pin. The
function of these pins has
not been defined
-0.3
2.6
2.9
45
W_DISABLE
-
I
Close wireless
communications
-0.3
2.6
2.9
46
GPIO
-
I/O
General I/O pins. The
function of these pins has
not been defined
-0.3
2.6
2.9
47
NC
-
-
Not connected, please
keep this pin open
-
-
-
48
GND
-
-
GND
-
-
-
49
GND
-
-
GND
-
-
-
50
GND
-
-
GND
-
-
-
51
GPIO
-
I/O
General I/O pins. The
function of these pins has
not been defined
-0.3
2.6
2.9
52
GND
-
-
GND
-
-
-
53
GND
-
-
GND
-
-
-
54
GND
-
-
GND
-
-
-