When I was young, my dad liked to tell me, “If you don’t ask the question, you won’t get the answer.” Today, I have a deeper understanding of his message – and I have applied his wisdom to many areas in my life.
Harry Foster
概述
大家知道,RAM IP核分为单端口RAM和双端口RAM,即表示RAM IP核有几个读写端口。
对于单端口RAM来说,由于读写共用地址线,所以没有办法同时读写不同地址的数据;而对于双端口RAM来说,由于读写地址线是分开的,所以可以同时读写不同地址的数据。
双端口RAM又分为简单双端口RAM和真双端口RAM,顾名思义,简单双端口RAM虽然有两个端口,但是一个端口只能用来写,另一个端口只能用来读,所以简单双端口RAM也称为伪双端口RAM。
而真双端口RAM是指两个端口都可以用来写或者读,可以理解成具有两个独