以下关于知识产权核(IPCore)的说法错误的是()。
- A.知识产权核设计是片上系统(SOC.设计的基础
- B.IP固核是基于半导体工艺的物理设计,已有固定的拓扑布局和具体工艺,并已经过工艺验证,具有可保证的性能
- C.设计的基础B.IP固核是基于半导体工艺的物理设计,已有固定的拓扑布局和具体工艺,并已经过工艺验证,具有可保证的性能CIP软核通常是用硬件描述语言文本形式提交给用户,IP知识产权不易保护
- D.IP硬核无需提供寄存器转移级文件,易于实现IP保护,但其灵活性和可移植性较差
正确答案及解析
正确答案
解析
片上系统(SOC)是指在单芯片上集成数字信号处理器、微控制器、存储器、数据转换器及接口电路等电路模块,可以直接实现信号采集、转换、存储和处理等功能,其中,知识产权核(IP Core)设计是SOC设计的基础。IP核模块有行为、结构和物理三级不同程度的设计,对应描述功能行为的不同可分为IP软核、IP硬核和IP固核三类,它们各自的定义及其优缺点见表6-11。表6-11 IP核模块

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