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Customer Care Solutions
NEM-1 Series Transceivers
System Module and User
Interface
Issue 1 06/03 Nokia Corporation
NEM-1 Company confidential
System Module and User Interface CCS Technical Documentation
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Page 2 Nokia Corporation. Issue 1 06/03
Company confidential NEM-1
CCS Technical Documentation System Module and User Interface
Table of Contents
Page No
Glossary of Terms .......................................................................................................... 7
Introduction to NEM-1 Electronics.............................................................................. 11
NEM-1 Description ...................................................................................................11
Electrical Modules .....................................................................................................11
Interconnection Diagram ...........................................................................................13
Temperature Conditions ............................................................................................14
Humidity ....................................................................................................................14
Absolute Maximum Ratings ......................................................................................14
DC Characteristics .....................................................................................................15
Main Supply ............................................................................................................ 15
Phone....................................................................................................................... 15
BB Regulators ......................................................................................................... 15
Audio Player regulators .......................................................................................... 16
Baseband Functional Description ................................................................................ 17
Modes of Operation ...................................................................................................17
No Supply................................................................................................................ 17
Back-up ................................................................................................................... 17
Acting Dead............................................................................................................. 17
Active ...................................................................................................................... 17
Sleep Mode.............................................................................................................. 18
Charging .................................................................................................................. 18
Batteries .....................................................................................................................19
Main Battery............................................................................................................ 19
Backup Battery........................................................................................................ 19
Supply Voltage Distribution ......................................................................................20
Phone Supply Voltage............................................................................................. 21
External Accessory Regulator ..............................................................................21
Audio Player............................................................................................................ 22
Power Up, Power Down and Reset ............................................................................23
Phone....................................................................................................................... 23
Audio Player............................................................................................................ 23
Clocking .....................................................................................................................23
SIM Interface .............................................................................................................25
Board-to-board (B2B) concept ..................................................................................26
Overview of B2B .................................................................................................... 26
Interfaces related to B2B connectors ...................................................................... 26
B2B connectors in detail ......................................................................................... 27
Audio Player ..............................................................................................................29
Audio Features ........................................................................................................ 29
Audio ADSP............................................................................................................ 29
Audio routing and conditioning .............................................................................. 29
FM radio play ........................................................................................................30
FM Radio/ Line-in recording ................................................................................31
MP3/ AAC playback .............................................................................................31
GSM Audio handsfree mode ................................................................................32
Standard ringing tones/ alarm tones ......................................................................32
MP3/ AAC/ MIDI Ringing tones ..........................................................................33
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NEM-1 Company confidential
System Module and User Interface CCS Technical Documentation
Phone- Audio Player Interface (MADI).................................................................. 33
Power and Reset ....................................................................................................33
Wake- Up ..............................................................................................................34
Communication .....................................................................................................34
Audio ....................................................................................................................34
MultiMediaCard MMC ........................................................................................... 34
ADSP Flash Memory .............................................................................................. 35
Loudspeaker and Amplifier..................................................................................... 35
Acoustics ....................................................................................................................36
Earpiece................................................................................................................... 36
Microphone ............................................................................................................. 36
Loudspeaker ............................................................................................................ 36
Headset .................................................................................................................... 36
Vibra........................................................................................................................ 36
FM Radio ...................................................................................................................37
System Module ............................................................................................................ 38
Baseband Technical Specifications ...........................................................................38
DC Characteristics................................................................................................... 38
Regulators and Supply Voltage Ranges ................................................................38
Baseband External and Internal Signals and Connections........................................... 40
Internal Signals and Connections ..............................................................................40
Internal microphone ................................................................................................ 40
Internal speaker ....................................................................................................... 40
Vibra ....................................................................................................................... 40
Audio player............................................................................................................ 40
DA250- SMPS Interface ......................................................................................40
Stereo Codec .........................................................................................................41
Loudspeaker Amplifier .........................................................................................41
Phone- Audio Player Interface (MADI) ...............................................................42
RF-BB interface ...................................................................................................... 42
FM Radio Interface ................................................................................................. 44
Internal Speaker .........................................................................................................44
Integrated HF Speaker (loudspeaker)...................................................................... 45
External Signals and Connections .............................................................................45
Battery connector .................................................................................................... 45
Bottom Connector ................................................................................................... 45
DC Plug ................................................................................................................... 47
Audio Line In Connector......................................................................................... 47
SIM connector ......................................................................................................... 48
MMC Connector ..................................................................................................... 48
User Interface Modules ................................................................................................ 49
Keyboard ....................................................................................................................49
LCD ...........................................................................................................................49
LCD connector ......................................................................................................49
LCD & Keyboard Illumination ..................................................................................49
UI B2B-Connectors ...................................................................................................50
RF Module Introduction............................................................................................... 52
RF Frequency Plan ....................................................................................................53
Page 4 Nokia Corporation. Issue 1 06/03
Company confidential NEM-1
CCS Technical Documentation System Module and User Interface
DC characteristics ......................................................................................................54
Regulators................................................................................................................ 54
Typical current consumption................................................................................... 55
Power Distribution .................................................................................................. 56
RF characteristics ......................................................................................................... 57
Channel Numbers and Frequencies......................................................................... 57
Main RF characteristics........................................................................................... 57
Transmitter characteristics ...................................................................................... 57
Receiver characteristics........................................................................................... 58
RF Block Diagram .................................................................................................. 58
RF Block Diagram NEM-1 ..................................................................................... 59
Frequency Synthesizers .............................................................................................60
Receiver .....................................................................................................................60
Transmitter .................................................................................................................60
Front End................................................................................................................. 60
Power Amplifier...................................................................................................... 61
RF ASIC Helgo ....................................................................................................... 62
AFC function........................................................................................................... 62
Antenna .................................................................................................................. 62
Issue 1 06/03 Nokia Corporation. Page 5
NEM-1 Company confidential
System Module and User Interface CCS Technical Documentation
Schematics/Layouts, EM11_10 module (A3 size) ............................................................................................
Block diagram EM11 (ver.0.0 ed.2) ........................................................................................................ 1
Block diagram baseband (v.0.0 ed 2) ....................................................................................................... 2
System Connector (ver. 0 ed. 2................................................................................................................. 3
Key user Interface (ver.0.0 ed. 2)........................................................................................................... 4
Audio (ver. 0.0 ed. 2) .................................................................................................................................. 5
Audio player block diagram (ver.0.0 ed. 2) .......................................................................................... 6
Audio Power (ver.0 ed. 2) ....................................................................................................................... 7
Audio DSP (ed. 0.0 ed.2)............................................................................................................................... 8
Memory ST (ver. 0 ed.2) ............................................................................................................................... 9
Audio Codec (ed. 0 ver. 2) ........................................................................................................................ 10
MMC (v.0 ed. 2) .......................................................................................................................................... 11
JTAG interface (ed. 0 ver. 2) ................................................................................................................... 12
RF block diagram (ed.0.0 ver. 2).............................................................................................................. 13
RF grounds (ed. 0 ver.2) ............................................................................................................................ 14
HELGO ASIC (ver. 0.0 ed.2) ...................................................................................................................... 15
Power amplifier and detection (ver.2.0 ed 2) .................................................................................... 16
RX front end and antenna swit (Ver. 2.0 ed. 2) ................................................................................. 17
SIM reader (ver. 0.0 ed. 2) .................................................................................................................... 18
Application Engine Interface v. 1.3 ed.2.............................................................................................. 19
FM radio unit (v.1.3 ed.153) .................................................................................................................... 20
FM radio unit 2 (v. 0.0 ed.118) ............................................................................................................. 21
UPP 8M (v.2.0 ed.102) ............................................................................................................................. 22
Discrete power management (ver. 1.3 ed. 115) ............................................................................... 23
Light filtering (ver. 2.0 ed. 28)............................................................................................................... 24
Old power discrete (ver. 0.0 ed. 8) ..................................................................................................... 25
GSM RF-Baseband interface (ver. 1.3 ed.39) ................................................................................ 26
Flash memory (ver. 2.0 ed.56) ................................................................................................................. 27
4Mbit SRAM (ver. 2.0 ed.31) .................................................................................................................. 28
Decoupling capacitors for Flash and SRAMs (v.2.0 ed.6)................................................................ 29
Parts Placement EM11_10a, top ........................................................................................................... 30
Parts Placement EM11_10a, bottom ................................................................................................... 31
Test Points EM11_10, top ........................................................................................................................ 32
Test Points EM11_10, bottom ................................................................................................................. 33
Schematics/Layouts, EM10_08a module (A3 size)..........................................................................................
User Interface diagram 1 (ver.0.0 ed.3) .................................................................................................. 1
Key User Interface 2 (v.0.0 ed.2) ............................................................................................................ 2
Parts placement diagram EM 10_08a, top ........................................................................................... 3
Parts placement diagram EM 10_08a, bottom..................................................................................... 4
Page 6 Nokia Corporation. Issue 1 06/03
Company confidential NEM-1
CCS Technical Documentation System Module and User Interface
Glossary of Terms
ACI Accessory Control Interface
ADC Analog-Digital Converter
AEC Acoustic Echo Canceller
AFC Automatic Frequency Control
AGC Automatic Gain Control
ALWE Background noise suppressor
AMS After Market Service
API Application Programming Interface
ARM Processor architecture
ASIC Application Specific Integrated Circuit
BB Baseband
CBus Control Bus connecting UPP_WD2 with AEM and UEM
CMT Cellular Mobile Telephone (MCU and DSP)
CPU Central Processing Unit
CTSI Clocking Timing Sleep Interrupt
COG Chip On Glass
CSP Chip Scale Package
CSTN Color Super Twisted Nematic
DAC Digital-Analog Converter
DAI Digital Audio Interface
DB Dual band
DCS1800 Digital Cellular system at 1800 MHz
DCT3 Digital Core Technology, 3rd generation
DCN Offset Cancellation control signal
Issue 1 06/03 Nokia Corporation. Page 7
NEM-1 Company confidential
System Module and User Interface CCS Technical Documentation
DLL Dynamic Link Library
DRC Dynamic Range Controller
DSP Digital Signal Processor
EGSM Extended