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51单片机做的MP3电路图及PCB123456VDDVDDC26100nFGNDC27100nFVDDGNDARSTDD7DD6DD5DD4DD3DD2DD1DD0GNDVDDnWRnRDVDDINTQA1A0nCS0R1R2R3R4R5R6R7R8R9R10R11R12R13R14R15R16R17C28100nFJP113579111315171921232527293133353739246810121416182022242628303234363840GNDGNDDD8DD9DD10DD11DD12DD13DD14DD15VDDC32100nFGND123456789101112131415161718192021222324U3R18R19R20R21R22R23R24R2516151413121110TXD9RXDC13VDD2.2uFGNDNCNCNCNCNCGNDR/nBnREnCENCNCVCCVSSNCNCCLEALEnWEnWPNCNCNCNCNCK9F5608VDDC29100nFGNDU4DD3DD4DD5DD6DD7SnCSDD10nRDDD11DD9DD8DD13nWRVDDLVR1516171819202122232425262728I/O4I/O5I/O6I/O7I/O8nCSA10nOEA11A9A8A……

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