Nguyen Dao
05/23/2021, 11:31 PMManar Abdelatty
05/25/2021, 1:45 PMFP_IO_HMETAL
and FP_IO_VMETAL
. They specify the vertical and horizontal metal layer for the IOs. Documentation is here https://github.com/efabless/openlane/tree/master/configuration#floorplanningNguyen Dao
05/25/2021, 2:49 PM::env(FP_IO_HMETAL) "2 4"
). Also is there any options to specify the pitch and/or space between IO pins for each metal layer? ThanksManar Abdelatty
05/25/2021, 2:56 PMNguyen Dao
05/25/2021, 3:13 PMFP_IO_MODE
1 (default) = random equidistant, 0=matching mode - what does it mean? ThanksManar Abdelatty
05/25/2021, 3:45 PMPIN_ORDER
cfg file. The new openroad app allows for more control on the io placement but it is currently not integrated with openlane. The random mode will place the pins randomly. I think the matching mode will place the pins in a way that minimizes the wire length.Nguyen Dao
05/25/2021, 4:05 PM