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7.3 Microphone
XG242
Pin
Name
1
MICP1
2
MICN!/GND_MIC
7.4 Battery
XG181
Pin
Name
1
BATT+
2
AKKU_TYP
3
GND
V 1.0
SL55
IN/OUT
Remarks
I
Speech signal. The same line carries the
microphone power supply.
Level
Remarks
3 V... 4.5V
Positive battery pole
0V...2.65V
Recognition of battery/supplier
Ground
Page 40of 52
Company Confidential © Copyright Siemens AG
Customer Care
ICM MP CCQ GRM
06/03
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