mirrors/yosys
3
0
Fork 0
mirror of https://github.com/YosysHQ/yosys synced 2025-08-07 11:41:23 +00:00
Code Activity

Gowin: deal with active-low tristate (#2971)

Browse source 
* deal with active-low tristate

* remove empty port

* update sim models

* add expected lut1 to tests
This commit is contained in:
Pepijn de Vos 2021-08-20 21:21:06 +02:00 • committed by GitHub
parent c2866780d2
commit c2d358484f
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 15 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

4
techlibs/gowin/cells_sim.v
View file

@ -573,14 +573,14 @@ endmodule
module TBUF (O, I, OEN);
input I, OEN;
output O;
assign O = OEN ? I : 1'bz;
assign O = OEN ? 1'bz : I;
endmodule
module IOBUF (O, IO, I, OEN);
input I,OEN;
output O;
inout IO;
assign IO = OEN ? I : 1'bz;
assign IO = OEN ? 1'bz : I;
assign I = IO;
endmodule