Padfunctional module with PU/PD signal control #18
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niwis
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Nov 24, 2021
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niwis
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Thanks for the PR! A few comments from my side.
src/fpga/pad_functional_xilinx.sv
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| module pad_functional_pd | ||
| ( | ||
| input logic OEN, | ||
| input logic I, | ||
| output logic O, | ||
| input logic PEN, | ||
| inout logic PAD | ||
| ); | ||
|
|
||
| IOBUF iobuf_i ( | ||
| .T ( OEN ), |
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This is a redefinition of line 12. I guess this module definition should therefore be removed?
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Sorry, there was an error on the name by copy and paste. It is "pad_functional" as in the deprecated module. I've fixed it
src/deprecated/pad_functional.sv
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| OEN I PAD PEN | PAD O | ||
| | | ||
| 0 0 - 0/1 | 0 0 | ||
| 0 1 - 0/1 | 1 1 | ||
| 1 0/1 0 0/1 | - 0 | ||
| 1 0/1 1 0/1 | - 1 | ||
| 1 0/1 Z 0 | H H | ||
| 1 0/1 Z 1 | - X |
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Could you extend this table by the new input?
Co-authored-by: Nils Wistoff <nwistoff@iis.ee.ethz.ch>
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I put a padfunctional module with PU and PD signal control.
It might be useful to wrap tecnological pads.