Lets know about schematic short language

• 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.