vivado warning, wire信号陷入循环赋值。 解决:检查赋值或改为reg类型。 同样的问题会引起modelsim出错: this error usually indicates that ModelSim is stuck in an infinite loop. In VHDL, this can happen when a signal is placed in the sensitivity list and this signal is changed in the process. The sig ...
Verilog-2001 added the much-heralded @* combinational sensitivity list token. Although the combinational sensitivy list could be written using any of the following styles: always @* always @(*) always @( * ) always @ ( * ) or any other combination of the characters @ ( * ) with or without whit ...