Definition of Abbreviations on Mobile Phones Circuit

 

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2G  2nd Generation

3G 3rd Generation

3Gs 3rd Generation speed

4G 4th Generation

A

A/D-converter Analog-to-digital converter

ACI Accessory Control Interface

ADC Analog-to-digital converter

ADSP Application DPS (expected to run high level tasks)

AGC Automatic gain control (maintains volume)

ALS Ambient light sensor

AMSL After Market Service Leader

ARM Advanced RISC Machines

ARPU Average revenue per user (per month or per year)

ASIC Application Specific Integrated Circuit

ASIP Application Specific Interface Protector

B

B2B Board to board, connector between PWB and UI board

BB Baseband

BC02 Bluetooth module made by CSR

BIQUAD Bi-quadratic ,type of filter function)

BSI Battery Size Indicator

BT Bluetooth

C

CBus MCU controlled serial bus connected to UPP_WD2,UEME and Zocus

CCP Compact Camera Port

CDSP Cellular DSP (expected to run at low levels)

CLDC Connected limited device configuration

CMOS Complimentary metal-oxide semiconductor circuit (low power consumption)

COF Chip on Foil

COG Chip on Glass

CPU Central Processing Unit

CSR cambridge silicon radio

CSTN Color Super Twisted Nematic

CTSI Clock Timing Sleep and interrupt block of Tiku

CW   Continuous wave

D

D/A-converter   Digital-to-analouge converter

DAC Digital-to-analouge converter

DBI  Digital Battery Interface

DBus DSP controlled serial bus connected between UPP_WD2 and Helgo

DCT-4 Digital Core Technology

DMA  Direct memory access

DP    Data Package

DPLL Digital Phase Locked Loop

DSP Digital Signal Processor

DtoS Differential to Single ended

E
EDGE Enhanced data rates for global/GSM evaluation

EGSM Extended GSM

EM Energy management

EMC Electromagnetic compability

EMI Electromagnetic interference

ESD Electrostatic discharge

F

FCI Functional cover interface

FPS Flash Programming Tool

FR Full rate

FSTN Film compensated super twisted nematic

G

GND Ground, conductive mass

GPIB General-purpose interface bus

GPRS General Packet Radio Service

GSM Group Special Mobile/Global System for Mobile communication

H

HF Hands free

HFCM Handsfree Common

HS Handset

HSCSD High speed circuit switched data (data transmission connection faster than GSM)

HW Hardware

I

I/O Input/Output

IBAT Battery current

IC Integrated circuit

ICHAR Charger current

IF Interface

IHF Integrated hands free

IMEI International Mobile Equipment Identity

IR Infrared

IrDA Infrared Data Associasion

ISA Intelligent software architecture

J

JPEG/JPG Joint Photographic Experts Group

L

LCD Liquid Crystal Display

LDO Low Drop Out

LED Light-emitting diode

LPRF Low Power Radio Frequency

M

MCU Micro Controller Unit (microprocessor)

MCU Multiport control unit

MIC, mic Microphone

MIDP Mobile Information Device Profile

MIN Mobile identification number

MIPS Million instructions per second

MMC Multimedia card

MMS Multimedia messaging service

N

NTC Negative temperature coefficient, temperature sensitive resistor used as a

temperature sensor

O

OMA Object management architechture

OMAP Operations, maintenance, and administartion part

Opamp Operational Amplifier

P

PA Power amplifier

PDA Pocket Data Application

PDA Personal digital assistant

PDRAM Program/Data RAM (on chip in Tiku)

Phoenix Software tool of DCT4.x

PIM Personal Information Management

PLL Phase locked loop

PM (Phone) Permanent memory

PUP General Purpose IO (PIO), USARTS and Pulse Width Modulators

PURX Power-up reset

PWB Printed Wiring Board

PWM Pulse width modulation

R

RC-filter Resistance-Capacitance filter

RF Radio Frequency

RF PopPort TM Reduced function PopPortTM interface

RFBUS Serial control Bus For RF

RSK Right Soft Key

RS-MMC Reduced size Multi Media Card

RSSI Receiving signal strength indicator

RST Reset Switch

RTC Real Time Clock (provides date and time)

RX Radio Receiver

S

SARAM Single Access RAM

SAW filter 
Surface Acoustic Wave filter

SDRAM 
Synchronous Dynamic Random Access Memory

SID 
Security ID

SIM 
Subscriber Identity Module

SMPS 
Switched Mode Power Supply

SNR 
Signal-to-noice ratio

SPR 
Standard Product requirements

SRAM 
Static random access memory

STI 
Serial Trace Interface

SW 
Software

SWIM 
Subscriber/Wallet Identification Module

T

TCXO Temperature controlled Oscillator

Tiku 
Finnish for Chip, Successor of the UPP, Official Tiku3G

TX 
Radio Transmitter

U


UART 
Universal asynchronous receiver/transmitter

UEME 
Universal Energy Management chip (Enhanced version)

UEMEK 
See UEME

UI 
User Interface

UPP 
Universal Phone Processor

UPP_WD2
Communicator version of DCT4 system ASIC

USB 
Universal Serial Bus


V


VBAT 
Battery voltage

VCHAR 
Charger voltage

VCO 
Voltage controlled oscillator

VCTCXO 
Voltage Controlled Temperature Compensated Crystal Oscillator

VCXO 
Voltage Controlled Crystal Oscillator

Vp-p 
Peak-to-peak voltage

VSIM 
SIM voltage

W

WAP Wireless application protocol

WD 
Watchdog

X

XHTML Extensible hypertext markup language


Z

Zocus Current sensor, (used to monitor the current flow to and from the battery)

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