1. 程式人生 > >FPGA-04-在ISE中錯誤總結(更新中)

FPGA-04-在ISE中錯誤總結(更新中)

1.procedural assignment to a non-register DATA_BUS is not permitted

      這種報錯一般是在always語句中使用了非reg變數,在always語句中所有訊號必須是reg變數,低階錯誤,(語法不熟悉)

2

出現的錯誤如下:

 ERROR:Xst:880 - "mst_pulse_calculation.v" line 124: Cannot mix blocking and non blocking assignments on signal <Res_in_div>.
ERROR:Xst:880 - "mst_pulse_calculation.v" line 125: Cannot mix blocking and non blocking assignments on signal <DiffCnt_in_div>.

 

看英文的意思是不能對訊號同時進行阻塞和非阻塞賦值。