由VHDL撰写的强大多功能除频器，只需由上方参数载入除频数N及N的宽度(2的次方)即可使用。 可以除以任意整数，包含奇数。-Written by the powerful multi-functional VHDL divider, just above the parameters included in addition to the frequency width of N, N-(2 power) can be used. Can be divided by any integer,