详细说明：PDIUSBD12的接口芯片固件程序,可直接使用.文件列表: pusb_C51源码 ............\Chap_9.c ............\CHAP_9.H ............\D12ci.c ............\D12CI.H ............\Epphal.c ............\EPPHAL.H ............\Isr.c ............\Mainloop.c ............\MAINLOOP.H ............\philips_usb ............\philips_usb.ddk ............\philips_usb.edk ............\philips_usb.hex ............\philips_usb.mpf ............\philips_usb.Opt ............\philips_usb.plg ............\philips_usb.Uv2 ............\Protodma.c ............\PROTODMA.H ............\USB100.H……