Nokia RM-132 Service Manual & Parts Manual page 301

Table of Contents

RM-132; RM-133

System Module

Baseband description............................................................................................................................................9-7

System module block diagram........................................................................................................................9-7

Baseband functional description.....................................................................................................................9-7

Application processor.......................................................................................................................................9-8

Absolute maximum ratings..............................................................................................................................9-8

Phone modes of operation...............................................................................................................................9-8

Power distribution............................................................................................................................................9-9

Clocking scheme..............................................................................................................................................9-10

Bluetooth.........................................................................................................................................................9-11

USB....................................................................................................................................................................9-11

SIM interface....................................................................................................................................................9-11

IrDA interface...................................................................................................................................................9-11

SD card interface.............................................................................................................................................9-12

Battery interface..............................................................................................................................................9-12

Camera interfaces............................................................................................................................................9-12

Back camera interface...............................................................................................................................9-12

Camera construction..................................................................................................................................9-12

Flash LED.....................................................................................................................................................9-13

Front camera..............................................................................................................................................9-14

User interface..................................................................................................................................................9-15

User interface.............................................................................................................................................9-15

Slide position sensor..................................................................................................................................9-15

Keyboard.....................................................................................................................................................9-15

Main display................................................................................................................................................9-16

Display and keyboard backlight...............................................................................................................9-17

ALS interface...............................................................................................................................................9-19

ASICs.................................................................................................................................................................9-19

RAP ASIC.......................................................................................................................................................9-19

EM ASIC N2200............................................................................................................................................9-19

EM ASIC N2300............................................................................................................................................9-19

Device memories.............................................................................................................................................9-20

RAP memories NOR flash and SDRAM.......................................................................................................9-20

Combo memory..........................................................................................................................................9-20

Audio concept.......................................................................................................................................................9-20

Audio HW architecture....................................................................................................................................9-20

Internal microphone.......................................................................................................................................9-21

External microphone.......................................................................................................................................9-21

Internal earpiece.............................................................................................................................................9-22

Internal speaker..............................................................................................................................................9-22

External earpiece.............................................................................................................................................9-23

Vibra circuitry..................................................................................................................................................9-24

System connector............................................................................................................................................9-24

Baseband technical specifications......................................................................................................................9-26

External interfaces..........................................................................................................................................9-26

External interfaces.....................................................................................................................................9-26

VOUT electrical characteristics..................................................................................................................9-26

SIM IF connections......................................................................................................................................9-26

Charger connector and charging interface connections & electrical characteristics..........................9-27

Internal interfaces...........................................................................................................................................9-28

Internal interfaces......................................................................................................................................9-28

Issue 1

Table of Contents

COMPANY CONFIDENTIAL

Nokia Customer Care

Page 9 -3

Table of Contents