User Guide

In addition to the audio transducers, the mixed-signal ASIC also provides an output for the dynamic vibra

component.

All galvanic audio accessories are connected to the system connector.

A Bluetooth audio module, which is connected to the RAP ASIC supports Bluetooth audio functionality.

There is also a separate application ASIC for Symbian applications.

Figure 95 Audio block diagram

Internal microphone

Internal microphone is used for HandPortable (HP) and Internal HandsFree (IHF) call modes.

An analogue electret microphone is connected to N2200 Mic1P and Mic1N inputs via asymmetric electrical

connection.

The microphone is biased by N2200 MicB1 bias voltage output.

RM-10;RM-24

System Module Nokia Customer Care

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