Introduction - If you have any usage issues, please Google them yourself
AT89C51SND1 SPI source code, USB based.
Packet : 27796726snd1-2_isp_usb_1_6_2.zip filelist
Atmel/
Atmel/at89c51snd1c/
Atmel/at89c51snd1c/isp/
Atmel/at89c51snd1c/isp/usb/
Atmel/at89c51snd1c/isp/usb/bootloader/
Atmel/at89c51snd1c/isp/usb/bootloader/bl-usb-1_6_2.hex
Atmel/at89c51snd1c/isp/usb/bootloader/CHANGES.txt
Atmel/at89c51snd1c/isp/usb/bootloader/INSTALL.txt
Atmel/at89c51snd1c/isp/usb/bootloader/LICENSE.txt
Atmel/at89c51snd1c/isp/usb/bootloader/NEWS.txt
Atmel/at89c51snd1c/isp/usb/bootloader/README.txt