SV interface
时间: 2023-10-15 15:59:38 浏览: 115
在SystemVerilog中,interface是一种用于在硬件模块和软件类之间进行交互的媒介。它可以在端口列表中定义时钟、复位等公共信号,或者在变量列表中定义需要与设计单元(DUT)和测试台(TB)连接的逻辑变量。通过参数化方式,interface可以提高复用性,使得有对应interface的DUT和TB在实例化时只需传递匹配的interface变量名即可完成接口变量的传递。接口可以用于设计和验证,它使得连接变得简洁且不易出错。与模块类似,interface可以定义端口、双相信号,使用initial和always块,以及定义function和task。初学者可以将interface看作是一个"插排",用于实现DUT和TB之间的数据驱动关系。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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