基于FPGA的51核，vhdl，FPGA开发。-FPGA-based 51-core, vhdl, FPGA development.

51单片机fft算法 （供作FFT算法的朋友参考）-51 single fft algorithm

自己编写的单周期16位乘法器源代码，作为普通51单片机的“协处理器”可以实现普通51的实时音频FFT-16bit multiplier source code I have written a single cycle, as the ordinary 51 single-chip coprocessor can achieve a common 51 real-time audio FFT