6、enttodesigndigitalcircuitnotonlymaysimplifytheclockhardwarecircuitandthedesignprocess,moreovermayreducethisdesignsystem'scostandthevolumetoenhancesystem'sreliability.FPGAcannotonlyachievethe74seriescircuitlogic,andcanbeusedashigh-performanceCPUtocontrolthetotalsystemoperation.This design uses t
7、he EP1K10TC100-1 chip to control CPU. The overall system uses the VHDL language. The 50MHZ crystal oscillator produces the clock pulse. The VHDL language obtains a second signal and other clock signal .Design frequency divider pas