我试图创建一个I2C总线,但是我遇到了一个非常尴尬的问题--在实现的映射部分,我得到了警告:MapLib:701 - Signal SDA connected to top level port SDA has been removed.
在深入研究之后,我发现这是由I2C母版本身先前的一个警告引起的:Xst:1293 - FF/Latch <sda_internal> has a constant value of 1 in block <IIC_MASTER>. This FF/Latch will be trimmed during the optimizatio