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Customer Care Solutions
NMM-3 Series Transceivers

7 - System Module & UI

Issue 1 (11/2003) Copyright 2003 Nokia Corporation Page 7-1
Company Confidential
NMM-3 Company Confidential
7 - System Module & UI CCS Technical Documentation

Table of Contents
Page No
Introduction ............................................................................................................................................. 5
System Module Baseband .................................................................................................................... 5
Power Distribution Diagram .............................................................................................................. 7
Environmental operating conditions ............................................................................................... 8
Temperature Conditions................................................................................................................... 8
Humidity and Water Resistance.................................................................................................... 8
Baseband Functional Description ...................................................................................................... 8
Modes of Operation ............................................................................................................................. 8
Battery ..................................................................................................................................................... 9
Backup Battery ....................................................................................................................................10
Power Up and Reset ...........................................................................................................................10
UEME Reset Sequence and Timings ..............................................................................................11
A/D Channels .......................................................................................................................................11
ZOCUS ....................................................................................................................................................12
Bluetooth ..............................................................................................................................................13
Camera ..................................................................................................................................................15
UI Module .............................................................................................................................................16
Display ................................................................................................................................................. 16
Backlighting .................................................................................................................................... 16
IR Module .............................................................................................................................................18
SIM Interface .......................................................................................................................................19
External Accessory Interface ...........................................................................................................20
Pop-Port System Connector ........................................................................................................ 20
Charger interface ............................................................................................................................ 21
ACI ..................................................................................................................................................... 21
USB interface ................................................................................................................................... 21
External Audio ................................................................................................................................... 22
External Microphone Connection ............................................................................................. 22
External Earphone Connections ................................................................................................ 23
Internal Audio .................................................................................................................................... 23
IHF Speaker ..................................................................................................................................... 23
Internal Microphone ..................................................................................................................... 24
Internal Speaker .............................................................................................................................. 24
Memory Block ......................................................................................................................................25
PDRAM ...................................................................................................................................................25
External Flash Memory ................................................................................................................ 25
External SDRAM ............................................................................................................................. 25
NMM-3 Test interfaces ................................................................................................................... 26
Baseband General Specification ..................................................................................................... 26
Absolute Maximum Ratings .......................................................................................................... 26
DC Characteristics ............................................................................................................................ 26
RF Module Description ....................................................................................................................... 27
Introduction ....................................................................................................................................... 27
DC Characteristics ............................................................................................................................ 27
Regulators ........................................................................................................................................ 27
RF-BB Interface .............................................................................................................................. 29
RF block diagram .............................................................................................................................. 30

Page 7-2 Copyright 2003 Nokia Corporation Issue 1 (11/2003)
Company Confidential
Company Confidential NMM-3
CCS Technical Documentation 7 - System Module & UI

General ............................................................................................................................................. 30
Description of the RF Related Converters .............................................................................. 31
GSM RF ..................................................................................................................................................33
GSM RF Characteristics ............................................................................................................... 33
GSM functional descriptions ......................................................................................................... 34
RF block diagram ........................................................................................................................... 34
GSM frequency synthesizer ........................................................................................................ 35
GSM transmitter ............................................................................................................................ 35
Power control ................................................................................................................................. 36
GSM receiver ................................................................................................................................... 37
AGC strategy ................................................................................................................................... 38
AFC function ................................................................................................................................... 39
WCDMA RF ...........................................................................................................................................40
WCDMA RF Characteristics ........................................................................................................ 40
WCDMA Functional Description ................................................................................................... 41
WCDMA synthesizers ................................................................................................................... 41
WCDMA transmitter ..................................................................................................................... 42
TX power control ............................................................................................................................ 43
WCDMA receiver ............................................................................................................................ 44
AGC strategy ................................................................................................................................... 45
Tables
1. Voltage supplies and references ........................................................................................... 27
2. Binary signals ............................................................................................................................. 29
3. Analog signals ............................................................................................................................ 29
4. GSM900 / GSM1800 System Characteristics .................................................................... 33
5. Transmitter Characteristics .................................................................................................... 33
6. Receiver Characteristics .......................................................................................................... 33
7. WCDMA System Characteristics ........................................................................................... 40
8. TX Main Characteristics ........................................................................................................... 40
9. RX Main Characteristics .......................................................................................................... 40
Figures
1. Voltage supplies for RF ............................................................................................................ 28
2. RF related converters ............................................................................................................... 32
3. GSM RF Block Diagram ............................................................................................................ 34
4. Phase locked loop, PLL ............................................................................................................. 35
5. GSM Power Control Loop ........................................................................................................ 37
6. RX Gain Control in GSM .......................................................................................................... 39
7. WCDMA TX Block Diagram ..................................................................................................... 42
8. WCDMA RX Block Diagram .................................................................................................... 44
9. RX Gain Control in WCDMA ................................................................................................... 45

Issue 1 (11/2003) Copyright 2003 Nokia Corporation Page 7-3
Company Confidential
NMM-3 Company Confidential
7 - System Module & UI CCS Technical Documentation

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Page 7-4 Copyright 2003 Nokia Corporation Issue 1 (11/2003)
Company Confidential
Company Confidential NMM-3
CCS Technical Documentation 7 - System Module & UI

Introduction
The NMM-3 System module (or Engine) consists of Baseband and RF sub-modules, a
summary of the function and operation of the Baseband sub-modules are described here.

System Module: Baseband
Main functionality of the baseband is implemented into two ASICs: TIKU and UEME.

Baseband block diagram:

Core TIKU
Program FLASH supply BLUETOOTH
128Mbit NOR
MCU 3G
ARM925 Logic
RF Block
User data FLASH PDRAM 2G
256Mbit NAND
Logic
CDSP
lead 3
COWIS
SDRAM ADSP
64Mbit
lead 3

Core COWIS
supply Supply
UEME IHF
speaker
Regulation
IR
Charge control Earpiece

Audio MIC
Camera
FBUS/MBUS
Vibra
Camera SIM I/F
supply
RTC
Production test
interface
Zocus
Display LED Keypad NUT
drivers

USIM
Pop-port system DC Battery
connector jack

UEME is the Universal Energy Management Enhanced IC for digital hand portable
phones. In addition to energy management, functionality UEME performs all the base-
band mixed

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