Saturday 6 September 2014

Definition of Abbreviations on Mobile Phones Circuit

Definition of Abbreviations on Mobile Phones Circuit

0
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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