LG KF690 Service Manual page 27

3. TECHNICAL BRIEF
3.6.4 EDGE features
■ EDGE E2 power class for 8 PSK
■ DTM (simple Class A), multi-slot class 12
■ Downlink coding schemes - CS 1-4, MCS 1-9
■ Uplink coding schemes - CS 1-4, MCS 1-9
■ BEP reporting
■ SRB loopback and test mode B
■ 8-bit, 11-bit RACH
■ PBCCH support
■ 1phase/2 phase access procedures
■ Link adaptation and IR
■ NACC, extended UL TBF.
3.6.5 ESM6270 device audio processing features
■ Integrated wideband stereo CODEC
❏ 16-bit DAC with typical 88 dB dynamic range
❏ Supports sampling rates up to 48 kHz on the speaker path and 16 kHz on the microphone path
■ VR- Voice mail + voice memo
■ Acoustic echo cancellation
■ Audio AGC
■ Audio Codecs: AMR-NB, AAC, AAC Plus, Enhanced AAC Plus, Windows Audio v9, Real Audio 8
(G2)
■ Internal vocoder supporting AMR, FR, EFR, and HR
3.6.6 ESM6270 microprocessor subsystem
■ Industry standard ARM926EJ-S embedded microprocessor subsystem
❏ 16 kB instruction and 16 kB data cache
❏ Instruction set compatible with ARM7TDMI®
❏ ARM version 5TEJ instructions
❏ Higher performance 5 stage pipeline, Harvard cached architecture
❏ Higher internal CPU clock rate with on-chip cache
■ Java hardware acceleration
■ Enhanced memory support
Please note that NOR/PSRAM will not be supported on ESM6270.
❏ 75 MHz and 90 MHz bus clock for SDRAM
❏ 32-bit SDRAM
❏ Dual memory buses separating the high-speed memory subsystem (EBI1) from low-speed
peripherals (EBI2) such as LCD panels
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