dffunmap - unmap clock enable and synchronous reset from FFs#
- yosys> help dffunmap#
dffunmap [options] [selection]
This pass transforms FF types with clock enable and/or synchronous reset into their base type (with neither clock enable nor sync reset) by emulating the clock enable and synchronous reset with multiplexers on the cell input.
-ce-only
unmap only clock enables, leave synchronous resets alone.
-srst-only
unmap only synchronous resets, leave clock enables alone.