A simple high-speed USB card reader chip 2.0SD information ~ very cheap, if not be able to buy on the price of a good reader of the ~ 10 yuan less than can be done in the MP3 s, USB to read and write data from that chip management, usually by AVRISP read and write SD, this can be a simple USB-MP3 a

AU6331
......\AU6331主控DataBook资料.pdf
......\AU6331原理电路图.pdf
......\u.txt

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