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AU6850

USB Host MP3 Decoder SOC

Mvsilicon 

MVSILICON

AU6850 USB HOST MP3 DECODER SOC

1. Overview

A highly integrated SOC for MP3 player, AU6850 integrates MCU, MP3

decoder, USB Host controller, SD/MMC card controller, a 16-bit audio decoder and an

IR decoder in a single chip. Besides AU6850 embedded a 32KB OTP memory, which

provide an ultra low cost, low power consumption, flexible and more powerful Host

MP3 player solution compared with other traditional flash-MP3 player.

1.1 Features

l Low power 0.18um CMOS technology

l Power supply 1.8V/3.3V, power consumption 80mW

l Enhanced 8051, up to 10 times faster than standard 8051

l Dynamic MCU running clock frequency adjustment to reduce power

consumption and EMI

l USB2.0 full-speed host controller

l SD/MMC card controller

l Support MPEG 1/2/2.5 layer3 decoding, data rate 32kbps ~ 320kbps, including

VBR

l Support 9 sampling frequency:

8kHz/11.025kHz/12kHz/16kHz/22.05kHz/24kHz/32kHz/44.1kHz/48kHz

l Embedded sound equalizer

l Support tag format ID3v1 and ID3v2.4

l Support FAT16/FAT32 file system

l Embedded 16-bit sigma-delta audio DAC

l Embedded headphone amplifier

l Support IR Remote control

l GPIO for various purposes

l Embedded 32KB OTP memory for program code storage

l Support external NOR flash for program code storage (AU6850A only)

l Support in-system debug through external emulator (AU6850A only)

Shanghai Mountain View Silicon Technology Co Ltd

http://www.mvsilicon.com

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