Internal Microphone - Nokia MOBILE TERMINAL Service Manual

RM-356
System Module and User Interface
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
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