Thursday, 29 May 2014

Definition of Abbreviations on Mobile Phones Circuit





0
2G  2nd Generation
 

3G
 3rd Generation

3Gs
 3rd Generation speed

4G
 4th Generation
4S 4TH Genration speeed

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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