关于x25045芯片的功能编程。x20545为一个既能接收64个键盘又能驱动16位led显示的芯片，在medwin上通过。（原来在此网上下的本片子驱动不能正常使用，故自己重编并重传）-x25045 chip on the functional programming. X20545 can receive for a 64 keyboard can drive 16 led the chip show, in medwin adopted. (Originally in the Internet