User Guide

NPL-3 Company confidential
System Module and User Interface CCS Technical Documentation
Page 2 ãNokia Corporation. Issue 1 3/03
Table of Contents
Page No
Glossary of Terms ..........................................................................................................3
Introduction ....................................................................................................................6
Electrical Modules .......................................................................................................6
Interconnection Diagram .............................................................................................6
System Module: Baseband .............................................................................................7
Baseband Module, technical summary ........................................................................7
Environmental Specifications ......................................................................................8
Temperature Conditions ............................................................................................8
Humidity and Water Resistance ................................................................................8
Baseband Technical Specifications .............................................................................9
Absolute Maximum Ratings ......................................................................................9
DC Characteristics .....................................................................................................9
Power Distribution diagram ....................................................................................11
Baseband External and Internal Signals and Connections ........................................12
FM Radio Interface .................................................................................................13
External Signals and Connections .............................................................................17
Keyboard (board-to-board) Connector ....................................................................17
LCD Connector (Board to Board) .............................................................................18
DC Connector ..........................................................................................................19
Bottom Connector ...................................................................................................19
SIM connector .........................................................................................................21
Internal Signals and Connections ............................................................................21
Baseband Functional Description ................................................................................23
Modes of Operation ...................................................................................................23
No Supply ................................................................................................................23
Back-up ...................................................................................................................23
Acting Dead .............................................................................................................23
Active ......................................................................................................................23
Sleep Mode ..............................................................................................................24
Charging ..................................................................................................................24
Battery .....................................................................................................................24
Power Up and Reset ...................................................................................................25
Power Up with PWR key ........................................................................................26
Power Up when Charger is connected ....................................................................26
Power Up when Battery is connected .....................................................................26
RTC Alarm Power Up .............................................................................................27
A/D Channels .............................................................................................................27
FM Radio ...................................................................................................................28
IR Module ...............................................................................................................28
SIM Interface ...........................................................................................................28
ACI ..........................................................................................................................29
External Accessory Regulator .................................................................................30
External Audio ...........................................................................................................30
External Microphone Connection ...........................................................................30
External Earphone Connections ..............................................................................31
Internal Audio ............................................................................................................32
IHF Speaker & Stereo Audio Amplifier .................................................................32