Nokia RH-18 Manual page 6

RH-18/36/38
Engine module
IHF Integrated Hands Free
IMEI International Mobile Equipment Identity
Jannette DCT3.x accessory program
LCD Liquid Crystal Display
LDO Low Drop Out
LED Light Emitting Diode
Li-Ion Lithium Ion battery
Lion Battery program
LN Lotus Notes
LPRF Low Power Radio Frequency
Lynx Battery type, Lion program, Salo – Finland
MALT Medium And Loud Transducer
Maxwell GSM phone program
Mbus Asynchronous message bus connected to MCU (phone control interface). Slow
message bus for control data.
MCU Micro Controller Unit
NO_SUPPLY UEM state where UEM has no supply what so ever
NRT Nokia Ringing Tones
NTC Negative temperature Coefficient, temperature sensitive resistor used as a tem-
perature sensor.
PA Power Amplifier (RF)
PDA Personal Digital Assistant
PDM Pulse Density Modulation
PDRAM Program/Data RAM
Phoenix SW tool of DCT4.x
Pippi Hdb12, Phone program (3510)
PLL Phase locked loop
PnPHF Plug and Play Handsfree
PUP General Purpose IO (PIO), USARTS and Pulse Width Modulators
PWB Printed Wired Board
PWR_OFF UEM state where phone is off
PWRONX Signal from power on key.
R&D Research and development
Page 6
Company confidential
Nokia Corporation.
CCS Technical Documentation
Issue 1 10/03