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9.3 I/O-Connector

Name
IN/OUT
Pin
1
GND
2
SB
O
3
POWER
I
4
FBatt+
O
5
TX
O
6
RX
I
7
ZUB_CLK
I/O
8
ZUB_DATA
I/O
9
GND_MIC
10
MICP2
I
11
EPP2
O
12
EPN2
O
V1.0
C45, M50 AND MT50
Notes
Control line for external power supply
Power input from external power supply
Voltage for external accessories.
Serial interface
Serial interface
Clock line for accessory bus
Use as DTC In data operation
Data line for accessory bus.
Use as CTS in data operation
For external microphone
External microphone
For external loudspeaker
For external loudspeaker
Page 45 of 46
Company Confidential © Copyright Siemens AG
ICM MP CCQ ST
05/02

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