when execute In[6] of this .ipynb, fail to run. The error message is below
cmd6.sc:4: not found: value IS42x320D
sdramLayout = IS42x320D.layout,
^cmd6.sc:5: not found: value IS42x320D
sdramTimings = IS42x320D.timingGrade7,
^Compilation Failed
Compilation Failed
when execute In[6] of this .ipynb, fail to run. The error message is below