Nokia 500 - Table of Contents

To Next Page

To Previous Page

Table of Contents

Introduction........................................................................................................................................................... 6–5

Phone description ............................................................................................................................................ 6–5

Energy management............................................................................................................................................. 6–9

Battery and charging ....................................................................................................................................... 6–9

Normal and extreme voltages ..................................................................................................................... 6–11

Power key and system power up ................................................................................................................ 6–11

Modes of operation....................................................................................................................................... 6–11

Power distribution........................................................................................................................................ 6–13

Clock scheme.................................................................................................................................................. 6–13

SIM interface ....................................................................................................................................................... 6–15

Device memory................................................................................................................................................... 6–15

Bluetooth interface ............................................................................................................................................ 6–15

GPS module ......................................................................................................................................................... 6–16

USB....................................................................................................................................................................... 6–17

USB interface and charging.......................................................................................................................... 6–17

MicroUSB connector ...................................................................................................................................... 6–18

Charger interface................................................................................................................................................ 6–18

User interface...................................................................................................................................................... 6–19

Touch module................................................................................................................................................ 6–19

Proximity sensor and ambient light sensor (ALS)...................................................................................... 6–20

Imaging and video........................................................................................................................................ 6–20

Display....................................................................................................................................................... 6–20

Camera interface ...................................................................................................................................... 6–21

Illumination ................................................................................................................................................... 6–22

Keyboard interface........................................................................................................................................ 6–23

Accelerometer................................................................................................................................................ 6–23

Magnetometer............................................................................................................................................... 6–24

Audio concept..................................................................................................................................................... 6–24

Audio interface .............................................................................................................................................. 6–24

Internal earpiece........................................................................................................................................... 6–25

Internal handsfree (IHF) speakers ............................................................................................................... 6–25

Internal microphone..................................................................................................................................... 6–26

External earpiece and microphone ............................................................................................................. 6–26

Vibra ............................................................................................................................................................... 6–27

AV connector.................................................................................................................................................. 6–27

Cellular RF technical description....................................................................................................................... 6–28

RF block .......................................................................................................................................................... 6–28

QuBBE ............................................................................................................................................................. 6–29

Receiver (RX).................................................................................................................................................. 6–29

Synthesizer..................................................................................................................................................... 6–30

Transmitter (TX) ............................................................................................................................................ 6–30

Frequency mappings.......................................................................................................................................... 6–31

GSM850 frequencies...................................................................................................................................... 6–31

EGSM900 frequencies.................................................................................................................................... 6–32

GSM1800 frequencies.................................................................................................................................... 6–32

GSM1900 frequencies.................................................................................................................................... 6–34

WCDMA I (2100) Rx frequencies ................................................................................................................... 6–35

WCDMA I (2100) Tx frequencies ................................................................................................................... 6–36

WCDMA II (1900) frequencies....................................................................................................................... 6–37

WCDMA IV (1700/2100) frequencies............................................................................................................ 6–38

RM-750

System Module

Issue 1 COMPANY CONFIDENTIAL Page 6 – 3