A highly integrated SOC for MP3 player, AU6850B int egrates MCU, MP3 decoder,  USB Host controller, SD/MMC card  controller, a 16-bit audio decoder and an IR decoder in a single chi p.  Compared with  traditi onal f lash-MP3 player, AU6850B offers a lower cost, lower power consumption,  f lexibl e and more powerf ul host MP3 player soluti on.