RM-384
Glossary
Issue1 Company Confidential Page 6-5
Copyright © 2009 Nokia. All rights reserved.
PUP
General Purpose IO (PIO), USARTS and Pulse Width Modulators
PURX
Power-up reset
PWB Printed
Wiring
Board
PWM Pulse
width
modulation
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
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
TCXO
Temperature controlled Oscillator
Tiku
Finnish for Chip, Successor of the UPP
TX
Radio Transmitter
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
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
WAP
Wireless application protocol
WD
Watchdog
XHTML
Extensible hypertext markup language
Zocus
Current sensor, (used to monitor the current flow to and from the
battery)