原创代码，这是我以前写过的一个基于Philips PDIUSBD12PW USB芯片＋AT89S52的一个模拟器的程序，这个模拟器能够兼容 RealFlight G2,FMS ，微软模拟飞行等游戏。-Original code, I wrote this is a Philips PDIUSBD12PW USB-based chip simulator+ AT89S52 a procedure, the simulator can be compatible with RealFlight G2

AX88772A/AX88172A Low-pin-count USB 2.0 to 10/100M Fast Ethernet Controller-The AX88772A/AX88172A Low-pin-count USB 2.0 to 10/100M Fast Ethernet controller is a high performance and highly integrated ASIC which enables low cost, small form factor

用M8做的PC USB-GANE,里面有详细的代码和hex文件，PCB图。-M8 to do with PC USB-GANE