User Guide

NHM-8NX
System Module & UI PAMS Technical Documentation
Page 4 ãNokia Corporation Issue 1 05/02
Abbreviations
BSI Battery Size Indicator
CTI Cover Type Indicator
DCT4 Digital Core Technology, 4th Generation
DSP Digital Signal Processor
MCU MicroController Unit
NO_SUPPLY UEM state where UEM has no supply what so ever
PDM Pulse Density Modulation
PWR_OFF UEM state where phone is off
PWRONX Signal from power on key. '1' = key
RESET UEM state where regulators are enabled
RTC UEM internal Real Time Clock
SIM Subscriber Identity Module
SLEEP UEM power saving state controlled by UPP
SLEEPX SLEEP control signal from UPP
TBSF Through the Board Side Firing
UEM Universal Energy Management
UPP Universal Phone Processor
VBAT Main battery voltage
VBAT LIM2+ Charging cut–off limit (Max)
VCHAR Charger input voltage
VCHARDET Charger detection threshold level
VMSTR+, VMSTR Master Reset threshold level (2.1 V / 1.9 V)