如题。
当对底层模块A单独加扫描链没有问题,但是当在顶层一起加的时候就出现了如下问题(假设模块A的instance名字为aa):
Error:combinational logic found between aa/mnt_reg_1_ and aa/mat_reg_0_ ;you cannot use combinational logic other than buffers and invertersin the scan path between sacn flip-flops.
急。。。。。