LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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3.7.7 MSM6280 device audio processing features
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Integrated wideband stereo CODEC
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16-bit DAC with typical 88 dB dynamic range
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Supports sampling rates up to 48 kHz on the speaker path and 16 kHz on the microphone path
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VR- Voice mail + voice memo
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Acoustic echo cancellation
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Audio AGC
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Audio Codecs: AMR-NB, AAC, AAC Plus, Enhanced AAC Plus, Windows Audio v9, Real Audio 8
(G2)
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Internal vocoder supporting AMR, FR, EFR, and HR
3.7.8 MSM6280 microprocessor subsystem
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Industry standard ARM926EJ-S embedded microprocessor subsystem
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16 kB instruction and 16 kB data cache
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Instruction set compatible with ARM7TDMI®
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ARM version 5TEJ instructions
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Higher performance 5 stage pipeline, Harvard cached architecture
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Higher internal CPU clock rate with on-chip cache
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Java hardware acceleration
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Enhanced memory support
Please note that NOR/PSRAM will not be supported on MSM6280.
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75 MHz and 90 MHz bus clock for SDRAM
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32-bit SDRAM
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Dual memory buses separating the high-speed memory subsystem (EBI1) from low-speed
peripherals (EBI2) such as LCD panels
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1.8 V or 2.6 V memory interface support (excluding EBI1)
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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
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Boot from NAND
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Low-power SDRAM (LP-SDRAM) interface
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Internal watchdog and sleep timers
Summary of Contents for U990
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