- A/D-CONVERTER= anologue to digitel converter
- ADSF= application dps
- ASIC= application specific interface circuit
- BB= baseband
- BSI= battery size indicator
- CBUS= mcu controlled serial bus connected to upp,wd2,uem and zocus
- CPU= central processing unit
- DBUS= dsp controlled serial bus connected between upp,wd2 and helgo
- DSP= digitel signal processor
- EMI= electromagnetic interference
- ESD= electrostatic discharge
- I/O= input/output
- ICHAR= charger current
- MCU= micro controller unit
- OMAP= operation,maintrnance and administration part
- PURX= power up reset
- RF= radio frequency
- RTC= real time clock
- RX= radio receviver
- SARAM= single access ram
- SDRAM= synchronous dynamic random access memory
- SID= security id
- SMPS= switch mode power supply
- SRAM= static random access memory
- TCXO= temerature controlled ascillator
- TIKU= finnish for chip,successor of the upp
- UEM= universal energy management chip
- UPP= universal phone processor
- VBATT= battery voltage
- VCHAR= charger voltage
- VCO= voltage controlled oscillator
- VCTXO= voltage controlled temperature compensated crystal oscillator
- VCXO= voltage contorlled crystal oscillator
- VPP= peak to peak voltage
- WD= watchdog
- ZOCUS= current sensor(used to monitor the current flow to and from the battery
We will update this page when available.