User Guide

RH-12/RH-28
System Module CCS Technical Documentation
Page 6 Nokia Corporation Issue 1 02/04
GSM Global System Mobile
HW Hardware
IF Interface
IHF Integrated Hands Free
IMEI International Mobile Equipment Identity
IR Infrared
IrDa Infrared Data Association
LCD Liquid Crystal Display
LDO Low Drop Out
LED Light Emitting Diode
LPRF Low Power Radio Frequency
MCU Microprocessor Control Unit
NTC Negative temperature Coefficient, temperature sensitive resistor
used as an temperature sensor.
PA Power Amplifier (RF)
PDA Personal Digital Assistant
PDRAM Program/Data RAM (on chip in Tiku)
Phoenix SW tool of DCT4.x
PUP General Purpose IO (PIO), USARTS and Pulse Width Modulators
PWB Printed Wired Board
PopPort
TM
BB4.x system connector. It includes: USB, Stereo headset, Fbus.
RTC Real Time Clock, small circuitry that keeps track of updating the
clock counter and the calendar. To keep it update without (or
empty) battery, an alternative power source can be used: small
battery or large capacitor.
SARAM Single Access RAM