LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
- 48 -
3.7.7 MSM6280 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
3.7.8 MSM6280 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
❏ 1.8 V or 2.6 V memory interface support (excluding EBI1)
❏ NAND FLASH memory interface
- 8/16-bit data I/O width NAND flash support
- 1- or 4-bit ECC
- 512-byte/2KB page-size support
- 2 chip selects supported for NAND Flash
❏ Boot from NAND
❏ Low-power SDRAM (LP-SDRAM) interface
■ Internal watchdog and sleep timers
To Next Page
Loading...
Need help?
General
