1IC Netizen done disclosing information on the hard drive MP3 player that uses a ATMEL producer of the m p3 players ASIC at89c51snd1c. the chip features are as follows : 1) MCS51 kernel, and can use a single software Keil software development and facilitate the development of MP3 players, without special software platform; 2), MPEG I/II-Layer 3 hardware decoder. De independent MP3 coder. 48,44.1,32,24,22.05 support, ASF sampling frequency. support software volume control 31 bands, high school bass equalization control. bass results 3) DAC integrated components, support PCM, IIS format; 4) 64K-byte on-chip code storage space (100K erase life time) 5) 4K bytes boot Flash h memory, USB/UART download code 6) integrated USB 1.1 device components 7) MMC card interface 8) IDE/ATAPI interfac

MP3PROJ.Ddb
oldmp3
......\audintface.h
......\C51CORE.H
......\compiler1.h
......\externalbuffer.h
......\EXTREG.H
......\fat1.h
......\file1.h
......\globalvalue.h
......\harddisc.c
......\harddisc.h
......\idebase.c
......\idebase.h
......\IniSys.h
......\interrut.h
......\keyboard.h
......\lcdbase.c
......\lcdbase.h
......\mp3ctrl.h
......\progess.c
......\serial.h
......\unicode.h
......\usb.h
......\usbtask.h
......\value.h
Protel Schematic.pdf
snd1c-refd-nf-4_0_3
...................\CHANGES.txt
...................\config.h
...................\INSTALL.txt
...................\isp.a51
...................\isp._ia
...................\lib_mcu
...................\.......\adc
...................\.......\...\adc.html
...................\.......\...\adc_drv.c
...................\.......\...\adc_drv.h
...................\.......\aud
...................\.......\...\aud.html
...................\.......\...\aud_drv.c
...................\.......\...\aud_drv.h
...................\.......\c51_drv.h
...................\.......\clock
...................\.......\.....\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
...................\.......\mp3
...................\.......\...\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
...................\.......\twi
...................\.......\...\twi.html
...................\.......\...\twi_lib.c
...................\.......\...\twi_lib.h
...................\.......\usb
...................\.......\...\usb.html
...................\.......\...\usb_drv.c
...................\.......\...\usb_drv.h
...................\.......\wdt
...................\.......\...\wdt.html
...................\.......\...\wdt_drv.h
...................\lib_mem
...................\.......\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
...................\.......\nf_1x_512b
...................\.......\..........\nf.c
...................\.......\..........\nf.h

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