应用功能： 单芯片微控制器带MP3解码器和人机接口 The AT8xC51SND1A is a fully integrated stand-alone hardwired MPEGI/II-Layer 3 decoder with a C51 microcontroller core handling data flow and MP3-player control.The AT89C51SND1A includes 64 Kbytes of Flash memory and allows In-System Programming through an embedded 4 Kbytes of Boot Flash Memory.
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