这是一个51单片机嵌入在FPGA中的ip核，这个核它完全兼容我们普通的8051单片机，也就是说程序在这个上面一样可以跑起来-This is a 51 microcontroller embedded in the FPGA in the ip core, the core is fully compatible with our ordinary 8051, that the program can run up the same as above