AU6850B USB HOST MP3 DECODER SOC

Overview
A highly integrated SOC for MP3 player, AU6850B integrates MCU, MP3decoder, USB Host controller, SD/MMC card controller, a 16-bit audio decoder and an IR decoder in a single chip. Compared with traditional flash-MP3 player, AU6850B offers a lower cost, lower power consumption, flexible and more powerful host MP3 player solution.

Features
Low power 0.18um CMOS technology
Power supply 1.8V/3.3V, power consumption 85mw
Enhanced 8051, up to 10 times faster than standard 8051
Dynamic MCU running clock frequency adjustment to reduce power
consumption and EMI
USB2.0 full-speed host controller
SD/MMC card controller
Support MPEG 1/2/2.5 layer2/3 decoding, data rate 32kbps ~ 320kbps,
including VBR
Support 9 sampling frequency:
8kHz/11.025kHz/12kHz/16kHz/22.05kHz/24kHz/32kHz/44.1kHz/48kHz
Embedded sound equalizer
Support tag format ID3v1 and ID3v2.4
Support FAT16/FAT32 file system
Embedded 16-bit sigma-delta audio DAC
Embedded headphone amplifier
Support IR Remote control
GPIO for various purposes
Embedded LDO 3.3V->1.8V
Pin to Pin compatible with AU68501
Embedded 32KB OTP memory for program code storage

System Application
MP3 mini audio system

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