Figure 73 Audio block diagram
Internal microphone
The internal microphone is used for HandPortable (HP) and Internal HandsFree (IHF) call modes. A digital
MEMS microphone data and clock line are connected to RAPIDOYAWE and the operating voltage 3V is received
from Avilma.
Figure 74 Internal microphone
RM-356
System Module and User Interface
Page 6 –30 COMPANY CONFIDENTIAL Issue 1
Copyright © 2008 Nokia. All rights reserved.
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