User Guide

NHM-8NX
System Module & UI PAMS Technical Documentation
Page 2 ãNokia Corporation Issue 1 05/02
Table of Contents
Abbreviations ................................................................................................................. 4
Transceiver NHM-8NX - Baseband Module BF4A ...................................................... 5
Hardware characteristics in brief .................................................................................5
Technical Summary .....................................................................................................6
Technical Specifications ..............................................................................................7
Operating conditions ................................................................................................. 7
DC Characteristics.................................................................................................... 8
Internal Signals and Connections.............................................................................. 9
Current consumption during sleep .......................................................................... 15
External Signals and Connections........................................................................... 16
Functional Description ...............................................................................................18
Modes of Operation................................................................................................. 18
Charging ................................................................................................................. 21
Charging Circuitry Electrical Characteristics ......................................................... 23
Power Up and Reset ................................................................................................ 24
A/D Channels .......................................................................................................... 26
LCD & Keyboard Backlight ................................................................................... 28
LCD cell .................................................................................................................. 29
SIM Interface........................................................................................................... 31
Internal Audio ......................................................................................................... 32
Accessories.............................................................................................................. 35
Keyboard ................................................................................................................. 40
RF Interface Block .................................................................................................. 41
Memory Module...................................................................................................... 42
Flash Programming ................................................................................................. 54
EMC Strategy ............................................................................................................57
PWB strategy........................................................................................................... 57
LCD metal frame..................................................................................................... 59
Bottom connector .................................................................................................... 59
Mechanical shielding............................................................................................... 60
Security ......................................................................................................................60
Test Interfaces ............................................................................................................60
Production / After Sales Interface ........................................................................... 60
FLASH Interface ..................................................................................................... 61
FBUS Interface........................................................................................................ 61
MBUS Interface ...................................................................................................... 61
JTAG & Ostrich Interface ....................................................................................... 62
DAI.......................................................................................................................... 62
Test modes (SW dependant) ................................................................................... 62
Test points ............................................................................................................... 63
List of unused UEM pins ..........................................................................................64
List of unused UPP pins ............................................................................................65
Transceiver NHM-8NX - RF Module.......................................................................... 67
Main Technical specifications ...................................................................................68
Temperature conditions........................................................................................... 68
Nominal and maximum ratings ............................................................................... 68