Hi,
I had several antenna errors during detailed placement, e.g.:
[INFO DPL -0035] ANTENNA_output82_A
...
By changing PL_TARGET_DENSITY from 0.5 to 0.4 in the config file, the error disappeared.
Could anyone explain what's the meaning of this error and why it resolved with reducing the density?
k
Kareem Farid
09/06/2022, 6:01 PM
By lowering
PL_TARGET_DENSITY
the cells in the design became more spread. which makes it easier to place diodes next to cells. with higher density the cells could have been too tightly packed for the detailed placer to legalize the diodes inserted
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