User Guide

System Module LG4 and Grip Module LS4 CCS Technical Documentation
Page 6 ¤Nokia Corporation Issue 2 11/02
Abbreviations
ADC Analog-Digital Converter
AEM Auxiliary Energy Management ASIC
AFC Automatic Frequency Control
ALG Ambient Light Guide
ALS Ambient Light Sensor
ARM Processor architecture
ASIC Application Specific Integrated Circuit
BB Baseband
BLUETOOTH, BT Bluetooth
BSI Battery Size Indicator
CBus Control Bus connecting UPP_WD2 with AEM and UEM
CCI Camera Control Interface
CCP Compact Camera Port
CMT Cellular Mobile Telephone (MCU and DSP)
CPU Central Processing Unit
CSP Chip Scale Package
CTSI Clocking Timing Sleep Interrupt
DAC Digital-Analog Converter
DAI Digital Audio Interface
DBUS Data Bus
DCN Offset Cancellation contol signal
DIF Display InterFace
DLL Dynamic Link Library
DRC Dynamic Range Controller
DSP Digital Signal Processor
EFR Enhanced Full Rate
EGSM Extended – GSM
EQ Equalizer
EXT RF External RF
GPRS General Packet Radio Service
GSM Groupe Special Mobile/Global system mobile
HF Hands free
HFCM Handsfree Common
HS Handset
HSCSD High Speed Circuit Switched Data
I/O Input/Output
IHF Integrated hands free
IC Integrated Circuit
IR Infra red
IRED InfraRed Emitting Diode
IrDA Infrared Association
LCD Liquid Crystal Display
LG4 NHL-2NA Main PWB module
LNA Low Noise Amplifier
MCU Micro Controller Unit
MIC, mic Microphone
PA Transmit Power Amplifier