查找原因是:组合逻辑的always中使用了非阻塞赋值;修改之后就好了 9、ERROR: [USF-XSim-62] 'elaborate' step failed with error(s). Please check the Tcl console 'D:/XILINX_VIVADO/project/project_FIFO/project_FIFO.sim/sim_1/behav/xsim/elaborate.log' file for more information. 解决方法:打开错误信...
[Synth 8-988] W_A is already declared : @line 11 [Synth 8-988] W_B is already declared : @line 12 Ok, before line 11, I have mis-coding indeed, but second and third error message is strange. There is no multiple declaration (but highlighted at declaration statement) Anyone can sug...
75293 - Vivado Synthesis - ERROR: [Synth 8-1031] xxxxxx is not declared Description I have encountered the below error when running Synthesis: ERROR: [Synth 8-1031] xxxxxx is not declared. How can I resolve this error? Solution This error occurs when the Synthesis tool does not find the...
56861 - Vivado Synthesis - ERROR: [Synth 8-1032] xxx is not declared in yyy Description If vhdl entity is instantiated by library reference (without explicit component declaration) and the library name is equal to an entity name that exists in this library, the following error message can occ...