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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.
15
PIN
No.
Pin Name
I/O
Description
DC Characteristics (V)
Normal
MUX
Min
Typical
Max
21
NC
-
-
Not connected, please
keep this pin open
-
-
-
22
NC
-
-
Not connected, please
keep this pin open
-
-
-
23
NC
-
-
Not connected, please
keep this pin open
-
-
-
24
NC
-
-
Not connected, please
keep this pin open
-
-
-
25
NC
-
-
Not connected, please
keep this pin open
-
-
-
26
NC
-
-
Not connected, please
keep this pin open
-
-
-
27
NC
-
-
Not connected, please
keep this pin open
-
-
-
28
Reserved
-
-
-
-
-
-
29
Reserved
-
-
-
-
-
-
30
JTAG_TMS
-
I
JTAG Test mode select
-0.3
2.6
2.9
31
VCC_EXT2
-
P
2.6V POWER output
-
2.6
-
32
VCC_EXT1
-
P
1.8V POWER output
-
1.8
-
33
NC
-
-
Not connected, please
keep this pin open
-
-
-
34
UIM_VCC
-
P
Power supply for UIM
card
-0.3
1.8/2.8
5
2.1/3.1
5
35
VCOIN
-
P
Coin cell input
1.5
3.0
3.25
36
JTAG_TRST_N
-
I
JTAG reset
-0.3
2.6
2.9
37
NC
-
-
Not connected, please
keep this pin open
-
-
-
38
MIC2_P
-
I
(Only telematics version
supports audio function,
Data only version does
not support this function)
Positive pole of the input
of audio interface 2
-
-
-