A/D-converter Analogue-to-digital converter
ADC Analogue-to-digital converter
ALS Ambient light sensor
ARM Advanced RISC Machines
ASIC Application Specific Integrated Circuit
ASIP Application Specific Interface Protector
B2B Board to board, connector between PWB and UI board
BA Board Assembly
BB Baseband
BCM2048 Bluetooth module made by BROADCOM
BSI Battery Size Indicator
BT Bluetooth
CBus MCU controlled serial bus connected to UPP_WD2, UEME and Zocus
CCP Compact Camera Port
CDMA Code division multiple access
CMOS Complimentary metal-oxide semiconductor circuit (low power consumption)
COG Chip on Glass
CPU Central Processing Unit
CSD Circuit-switched data
CSR Cambridge silicon radio
CSTN Colour Super Twisted Nematic
CTSI Clock Timing Sleep and interrupt block of Tiku
CW Continuous wave
D/A-converter Digital-to-analogue converter
DAC Digital-to-analogue converter
DMA Direct memory access
DP Data Package
DPLL Digital Phase Locked Loop
DSP Digital Signal Processor
DTM Dual Transfer Mode
DtoS Differential to Single ended
EDGE Enhanced data rates for global/GSM evolution
EGSM Extended GSM
EM Energy management
EMC Electromagnetic compatibility
EMI Electromagnetic interference
RM-505; RM-506
Glossary
Issue 1 COMPANY CONFIDENTIAL Page Glossary–3
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