Myself with 51 single-chip MP3, it is fun, I did not expect to do it.

51单片机作MP3\创想MP3电路\audio.pdf
.............\...........\mp3.pdf
.............\...........\power.pdf
.............\创想MP3电路.rar
.............\.......程序\adc_drv.lst
.............\...........\adc_drv.obj
.............\...........\aud_drv.lst
.............\...........\aud_drv.obj
.............\...........\CHANGES.txt
.............\...........\clock.lst
.............\...........\clock.obj
.............\...........\clock.__i
.............\...........\config.h
.............\...........\dac_drv.lst
.............\...........\dac_drv.obj
.............\...........\disp.lst
.............\...........\disp.obj
.............\...........\disp.__i
.............\...........\disp_task.lst
.............\...........\disp_task.obj
.............\...........\disp_task.__i
.............\...........\fat.lst
.............\...........\fat.obj
.............\...........\fat.__i
.............\...........\file.lst
.............\...........\file.obj
.............\...........\file.__i
.............\...........\fs_variable.lst
.............\...........\fs_variable.obj
.............\...........\fs_variable.__i
.............\...........\INSTALL.txt
.............\...........\isp.a51
.............\...........\isp.LST
.............\...........\isp.OBJ
.............\...........\isp._ia
.............\...........\isp.__i
.............\...........\kbd_drv.lst
.............\...........\kbd_drv.obj
.............\...........\kbd_task.lst
.............\...........\kbd_task.obj
.............\...........\kbd_task.__i
.............\...........\led_task.lst
.............\...........\led_task.obj
.............\...........\led_task.__i
.............\...........\.ib_mcu\adc\adc.html
.............\...........\.......\...\adc_drv.c
.............\...........\.......\...\adc_drv.h
.............\...........\.......\.ud\aud.html
.............\...........\.......\...\aud_drv.c
.............\...........\.......\...\aud_drv.h
.............\...........\.......\c51_drv.h
.............\...........\.......\.lock\clock.c
.............\...........\.......\.....\clock.h
.............\...........\.......\.....\clock.html
.............\...........\.......\compiler.h
.............\...........\.......\extsnd1.h
.............\...........\.......\kbd\kbd.html
.............\...........\.......\...\kbd_drv.c
.............\...........\.......\...\kbd_drv.h
.............\...........\.......\lib_mcu.html
.............\...........\.......\mmc\mmc.html
.............\...........\.......\...\mmc_drv.c
.............\...........\.......\...\mmc_drv.h
.............\...........\.......\.p3\mp3.html
.............\...........\.......\...\mp3_drv.c
.............\...........\.......\...\mp3_drv.h
.............\...........\.......\pll\pll.html
.............\...........\.......\...\pll_drv.h
.............\...........\.......\regsnd1.h
.............\...........\.......\spi\spi.html
.............\...........\.......\...\spi_drv.c
.............\...........\.......\...\spi_drv.h
.............\...........\.......\timer\timer.html
.............\...........\.......\.....\timer_drv.c
.............\...........\.......\.....\timer_drv.h
.............\...........\.......\.wi\twi.html
.............\...........\.......\...\twi_lib.c
.............\...........\.......\...\twi_lib.h
.............\...........\.......\usb\usb.html
.............\...........\.......\...\usb_drv.c
.............\...........\.......\...\usb_drv.h
.............\...........\.......\wdt\wdt.html
.............\...........\.......\...\wdt_drv.h
.............\...........\.....em\nf_1x_2kb\nf.c
.............\...........\.......\.........\nf.h
.............\...........\.......\.........\nf_1x_2kb.html
.............\...........\.......\.........\nf_1x_2kb_asm.html
.............\...........\.......\.........\nf_drv.c
.............\...........\.......\.........\nf_drv.h
.............\...........\.......\.........\nf_drv_load.a51
.............\...........\.......\.........\nf_readme.txt
.............\...........\.......\......512b\nf.c
.............\...........\.......\..........\nf.h
.............\...........\.......\..........\nf_1x_512b.html
......

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