Nokia E62 Service Manual page 187

RM-88
System Module
Baseband description............................................................................................................................................8-5
System module block diagram........................................................................................................................8-5
Baseband functional description.....................................................................................................................8-6
Absolute maximum ratings..............................................................................................................................8-6
Phone modes of operation...............................................................................................................................8-7
Operation modes...............................................................................................................................................8-8
Power distribution............................................................................................................................................8-9
Clocking scheme..............................................................................................................................................8-10
Bluetooth.........................................................................................................................................................8-10
IrDA...................................................................................................................................................................8-11
USB....................................................................................................................................................................8-11
SIM card............................................................................................................................................................8-11
RF-BB interface................................................................................................................................................8-11
FBUS..................................................................................................................................................................8-12
ACI interface.....................................................................................................................................................8-12
SIM interface....................................................................................................................................................8-13
MiniSD interface...............................................................................................................................................8-13
Battery interface..............................................................................................................................................8-14
User interface..................................................................................................................................................8-15
Display interface.........................................................................................................................................8-15
Keyboard.....................................................................................................................................................8-15
Display and keyboard backlight...............................................................................................................8-15
ALS interface...............................................................................................................................................8-15
E-Mail LED....................................................................................................................................................8-16
Audio concept.......................................................................................................................................................8-17
Audio HW architecture....................................................................................................................................8-17
Internal microphone.......................................................................................................................................8-18
Internal earpiece.............................................................................................................................................8-19
Internal speaker..............................................................................................................................................8-19
Vibra circuitry..................................................................................................................................................8-19
Baseband technical specifications......................................................................................................................8-20
External interfaces..........................................................................................................................................8-20
USB IF electrical characteristics......................................................................................................................8-20
FBUS interface electrical characteristics (between RAP and N2300).........................................................8-21
SIM IF connections...........................................................................................................................................8-21
MiniSD interface connections.........................................................................................................................8-22
Charger connector and charging interface connections & electrical characteristics...............................8-23
Battery interface electrical characteristics...................................................................................................8-24
Internal interfaces...........................................................................................................................................8-24
l2C.....................................................................................................................................................................8-24
Keyboard interface electrical characteristics................................................................................................8-24
Display connector and interface connections..............................................................................................8-25
Back-up battery interface electrical characteristics.....................................................................................8-26
Frequency mappings............................................................................................................................................8-27
GSM850 frequencies........................................................................................................................................8-27
EGSM900 frequencies......................................................................................................................................8-28
GSM1800 frequencies......................................................................................................................................8-29
GSM1900 frequencies......................................................................................................................................8-30
Issue 1
Table of Contents
COMPANY CONFIDENTIAL
Copyright © 2006 Nokia. All rights reserved.
Nokia Customer Care
Page 8 -3