User Guide

ManualsBrandsNokia ManualsCell Phone3205

RM-11

System Module CC Technical Documentation

Contents Page

Introduction.................................................................................................................... 4

BB Hardware Characteristics ......................................................................................4

Technical Summary .....................................................................................................5

Functional Description .................................................................................................5

Modes of Operation................................................................................................... 5

RM-11 BB Functional Blocks .....................................................................................7

UEM and UPP........................................................................................................... 8

Battery....................................................................................................................... 9

Charger Detection ................................................................................................... 11

Charger Interface Protection ................................................................................... 12

LED Driver Circuit.................................................................................................. 12

LCD Display ........................................................................................................... 13

RF Interface Block .................................................................................................. 14

Combo Memory Module......................................................................................... 14

Combo Memory Interface ....................................................................................... 14

SRAM Memory Description ................................................................................... 14

Flash Memory Description...................................................................................... 15

Flash Architecture ................................................................................................... 15

Keyboard (UI Module)............................................................................................ 15

Keyboard ESD Protection ....................................................................................... 15

Internal Audio ......................................................................................................... 16

External Audio Connector....................................................................................... 17

External Microphone Connection ........................................................................... 18

External Earphone Connection................................................................................ 18

IrDa Interface .......................................................................................................... 19

Vibra........................................................................................................................ 19

FM Radio................................................................................................................. 19

Camera .................................................................................................................... 20

Flashlight................................................................................................................. 20

System Connector (Tomahawk).............................................................................. 21

PWB Strategy ............................................................................................................22

PWB Construction................................................................................................... 22

PWB Immunity ....................................................................................................... 22

Keyboard ................................................................................................................. 23

Audio Lines............................................................................................................. 23

Microphone Lines ................................................................................................... 23

EAR Lines............................................................................................................... 23

Charger Lines .......................................................................................................... 23

HEADINT ............................................................................................................... 23

Battery Supply Filtering.......................................................................................... 23

System Connector ................................................................................................... 24

Mechanical Shielding.............................................................................................. 24

EMC Strategy ............................................................................................................24

Test Interfaces ............................................................................................................25

Production / After Sales Interface ........................................................................... 25

Flash Interface......................................................................................................... 25

FBUS Interface........................................................................................................ 25