@Tim Edwards When I review the .mag file generated through Openlane flow, all the Port Label has additional information like port <Number> nsew signal <Port Direction: input/output/birectional/power/ground> << labels >> flabel metal2 s 6090 109200 6146 110800 0 FreeSans 224 90 0 0 DIn0[0] port 0 nsew signal input flabel metal2 s 6458 109200 6514 110800 0 FreeSans 224 90 0 0 DIn0[1] port 1 nsew signal input flabel metal2 s 6826 109200 6882 110800 0 FreeSans 224 90 0 0 DIn0[2] port 2 nsew signal input flabel metal2 s 7194 109200 7250 110800 0 FreeSans 224 90 0 0 DIn0[3] port 3 nsew signal input flabel metal2 s 7562 109200 7618 110800 0 FreeSans 224 90 0 0 DIn0[4] port 4 nsew signal input Where as these definition are missing while manually creating cell through magic tool. How to add the port direction and number in magic tools.? Background: I see .lef writing through magic tool include all the input/output and power declaration only when these port definition are present. PIN DIn0[0] DIRECTION INPUT ; USE SIGNAL ; PORT LAYER met2 ; RECT 30.450 546.000 30.730 554.000 ; END END DIn0[0] PIN DIn0[1] DIRECTION INPUT ; USE SIGNAL ; PORT LAYER met2 ; RECT 32.290 546.000 32.570 554.000 ; END END DIn0[1] PIN DIn0[2] DIRECTION INPUT ; USE SIGNAL ; PORT LAYER met2 ; RECT 34.130 546.000 34.410 554.000 ; END

It looks like you answered your own question before I got to work in the morning?

Yes, I hope my understanding is correct.