基于修改法的同步计数器的设计

Design of synchronous counter based on modification method

针对同步计数器一般设计方法设计过程繁琐、计算推理步骤多、容易出错、学生不易掌握等问题,提出了一种基于修改法的同步计数器的设计.在同步二进制计数器连接规律的基础上,通过改动部分触发器的驱动方程可以修改电路状态转换的顺序,从而得到所要设计的计数器.

The common design of synchronous counter in textbook is very complicated. It needs many computing ana deduction steps. So that students would make mistakes, and would not understand easily. On the base of linking laws of synchronous binary counters,this paper gives a much more simple and direct modification method which can optimize clesign in the design process of module-N synchronous counter, and elaborates the application of the modification method by a design example.