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Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 7 |
1 files changed, 6 insertions, 1 deletions
@@ -364,8 +364,13 @@ Verilog Attributes and non-standard features it as the external-facing pin of an I/O pad, and prevents ``iopadmap`` from inserting another pad cell on it. +- The module attribute ``abc9_lut`` is an integer attribute marking to `abc9` + that this module describes a LUT with propagation delays described using + `specify` statements. + - The module attribute ``abc9_box`` is a boolean specifying a blackbox or - whitebox definition for use by `abc9`. + whitebox definition, with propagation delays described using `specify` + statements, for use by `abc9`. - The port attribute ``abc9_carry`` marks the carry-in (if an input port) and carry-out (if output port) ports of a box. This information is necessary for |