将基本RS触发器，同步RS触发器，集成J-K触发器，D触发器同时集成一个FPGA芯片中模拟其功能，并研究其相互转化的方法。-The basic RS flip-flop, synchronous RS flip-flop, integrated JK flip-flop, D flip-flop while a FPGA chip analog integrated function, and to study their mutual transformation method.