Figure 76 Audio system blockInternal microphoneThe internal microphone is used for HandPortable (HP) and Internal HandsFree (IHF) call modes. A digitalMEMS microphone data and clock line are connected to Rapidoyawe and operating voltage is received fromAvilma.Figure 77 Internal microphoneInternal earpieceInternal earpiece is used for the HandPortable (HP) call mode. A dynamic 8x12 mm earpiece capsule isConnected to Avilma ASIC’s differential output EarP and EarN.RM-484; RM-485; RM-486System Module and User InterfacePage 8 –26 COMPANY CONFIDENTIAL Issue 1Copyright © 2009 Nokia. All rights reserved.
