ML2841 参数 Datasheet PDF下载

OKI Semiconductor

ML2841

Low Power MP3 Decoder, SRS 3D, 64 Polyphonic Ringtones

PEDL2841DIGEST-01

Issue Date:Oct. 6, 2006

Preliminary

This document contains minimum specifications. For full specifications, please contact your nearest Oki office or

representative.

GENERAL DESCRIPTION

ML2841 is low power and high quality MP3 playback and 64-poly ringtone with 3D surround. The MP3 decoder

consists of hard-wired technology. Therefore, playback term of MP3 file shall be longer. Besides, the LSI has 3D

surround by SRS Labs who is leading company for 3D surround.

FEATURES

Sound Generator

- High quality PCM sound generator

- Support General MIDI

- Maximum 64 polyphony simultaneously

MP3 decoder

- Low power MP3 decoder (power consumption of core = typ 5mW)

- Supported format: MPEG1/2/2.5 audio layer III

- Supported mode: Mono, Stereo, Dual, Joint-stereo (I-stereo, M/S-stereo)

- Ultimate low power consumption

- Possible to play sound generator simultaneously

- Recognize and skip ID3-Tag Ver 1.0, 2.2, 2.3, 2.4

ADPCM/PCM decoder

- Supported format: OKI 2-bit and 4-bit ADPCM, 8-bit and 16-bit PCM

- Sampling frequency: 4.0/5.3/6.4/8.0/10.6/12.8/16.0/32.0kHz

CPU I/F

- 8bit parallel I/F, 3 or 4 wired SPI selectable

Serial Audio Interface Transceiver/Receiver

- Sampling frequency: 8.0/11.025/12.0/16.0/22.05/24.0/32.0/44.1/48.0kHz

- Bit length: fixed 16bit

- Support master mode

3D surround

- High quality 3D surround SRS3D by SRS Labs

- Support two kinds of 3D surround:

SRS3D extreme mode: 3D surround for near two speaker

SRS3D headphone: 3D surround for headphone

- Ultimate low power consumption of 3D surround: 0.3mW by 3D surround

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