AHB接口的ram控制器，可靠性非常强。除了两个周期内发生读到写或写到读的极限情况（一般处理器设计中不会有这种传输方式），其他传输方式完全没有问题-AHB interface ram controller, reliability is very strong. In addition to occurring in two cycles read or write read write the limit (usually processor design will not have such