Describe: C51 s usb communication library to support the 51-compatible MCU and pdusbd12 interface chip

File list(time 2002010822~2009122620)(Click to check if it's the file you need, and recomment it at the bottom):
  usb_softpack
  ............\demo程序及开发板
  ............\................\D12 USB固件编程.pdf
  ............\................\d12smart_users_manual.pdf
  ............\................\Isr.c
  ............\................\isr.h
  ............\................\Isr.LST
  ............\................\Isr.OBJ
  ............\................\Mainloop.c
  ............\................\MAINLOOP.H
  ............\................\Mainloop.LST
  ............\................\Mainloop.OBJ
  ............\................\USB51S.LIB
  ............\................\USBDEMO
  ............\................\usbdemo.ddk
  ............\................\usbdemo.edk
  ............\................\USBDEMO.M51
  ............\................\usbdemo.mpf
  ............\................\usbdemo.Opt
  ............\................\usbdemo.Uv2
  ............\................\usb_i2c
  ............\................\usb_i2c.hex
  ............\................\usb_i2c.lnp
  ............\................\usb_i2c.M51
  ............\................\usb_i2c.plg
  ............\................\致USB用户的公开信.pdf
  ............\USB_lib
  ............\.......\Isr.c
  ............\.......\isr.h
  ............\.......\USB51S.LIB
  ............\.......\usb51s.txt

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 To Search: usb 51 c51 ISD4000 51 usb usb c++ d12 Mc51 U C/C USB C51 tektronix 

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