[Synth 8-2576] procedural assignment to a non-register F is not permitted ["C:/Users/24932/Desktop/FPGA_A7/0-1text/vivado_project/text.srcs/sources_1/new/text.v":31]
时间: 2023-09-06 16:06:44 浏览: 90
回答: 错误信息"\[Synth 8-2576\] procedural assignment to a non-register F is not permitted"表示在代码的第31行,对一个非寄存器类型的信号F进行了过程赋值操作,这是不允许的。\[3\]根据引用\[3\]中的介绍,过程赋值使用的是非阻塞赋值"<= ",而非阻塞赋值只能用于时序逻辑中,对于组合逻辑应使用阻塞赋值"= "。因此,你需要检查代码中的第31行,确保对信号F使用的是阻塞赋值而不是非阻塞赋值。此外,还需要确保信号F的类型是寄存器类型(reg)而不是线类型(wire)。如果信号F的类型是wire类型,你需要将其更改为reg类型,例如使用"output reg F"来定义信号F。这样做可以解决这个错误。
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