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Introduction
Phone description
Note:
All references to GPS concern RM-257 only.
RAP3GS is the main digital baseband ASIC in the phone. It contains functionality for both WCDMA and GSM
EDGE.
N2200 (AVILMA) is mainly the audio ASIC in the phone and N2300 (BETTY) is basically the energy management
controller for the phone.
Bluetooth is physically integrated in one single ASIC.
Key components
Function
Description
Item ref
Baseband ASIC
AVILMA
BETTY
N2200
N2300
RF ASIC
Ahneus
N7505
Processor
RAP3GS
D2800
PA GSM
Front end module (FEM), quad band
N7520
PA WCDMA
N7540
Oscillators
VCTCXO
Balun GSM
Balum WCDMA
G7501
T7502
T7580
Memories
512 Mbit NOR + 256 Mbit SDRAM Combo (Stacked with RAP3GS)
D2801
Back-up battery
RTC back-up battery 311
G2200
Bluetooth
BTPerf 2.3 module
N6030
Fold switch
Hall IC switch/position sensor
N2400
Battery
BL-5C
Battery connector
Conn. battery 3POL SPR
X2000
BTB connector
Board-to-board connector
Main:
X3502,
Top:
X3602
RF connector
X7800
RM-257; RM-270; RM-277
System Module
Issue 1
COMPANY CONFIDENTIAL
Page 5 –5
Copyright © 2007 Nokia. All rights reserved.