File list (Check if you may need any files):
Atmel
.....\snd1c-refd-nf-4_0_3
.....\...................\CHANGES.txt
.....\...................\config.h
.....\...................\doc
.....\...................\...\doc.gif
.....\...................\...\htm.gif
.....\...................\...\img.gif
.....\...................\...\pdf.gif
.....\...................\...\refd-l3mode.pdf
.....\...................\...\refd-user_s-guide.pdf
.....\...................\...\txt.gif
.....\...................\...\zip.gif
.....\...................\index.html
.....\...................\INSTALL.txt
.....\...................\isp.a51
.....\...................\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
.....\...................\.......\..........\nf_1x_512b.html
.....\...................\.......\..........\nf_1x_512b_asm.html
.....\...................\.......\..........\nf_drv.c
.....\...................\.......\..........\nf_drv.h
.....\...................\.......\..........\nf_drv_load.a51
.....\...................\.......\..........\nf_readme.txt
.....\...................\.......\nf_2x_2kb
.....\...................\.......\.........\nf.c
.....\...................\.......\.........\nf.h
.....\..