User Guide

Table 13

A/D-converter Analog-to-digital converter

ACI Accessory control interface

ACI Adjacent channel interference

ADC Analog-to-digital converter

ADSP Application DSP (expected to run high level task, see also CDSP)

AGC Automatic gain control (maintains volume)

ARM Advanced RISC machines

ARPU Average revenue per user (per month or per year)

ASIC Application specific integrated circuit

ASIP Application specific interface protector

BB Baseband

BC02 Bluetooth module made by CSR

BIQUAD Bi-quadratic (filter function)

BSI Battery size indicator

BT Bluetooth

CBus MCU controlled serial bus connected to UPP, UEME and Zocus

CCP Compact camera port

CDSP Cellular DSP (expected to run at low levels, see also ADSP)

CMOS Complimentary metal-oxide semiconductor circuit (low power consumption)

COF Chip on foil

COG Chip on glass

CPU Central processing unit

CSR Cambridge silicon radio

CSTN Color super twisted nematic, see also FSTN

CTSI Clock timing sleep and interrupt block of Tiku

DBI Digital battery interface

DBus DSP controlled serial bus connected between UPP and Helgo

DCT-4 Digital core technology

DP Data package

DPLL Digital phase locked loop

DSP Digital signal processor

DtoS Differential to single ended

EDGE Enhanced data rates for global/GSM evaluation

RM-51

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