CAUSE: | On the left of a Boolean equation in a Text Design File (.tdf), you used the specified text, but you must use only symbolic names, group names, port names, and NOT (! ) operators on the left of the equation. |
ACTION: | Make sure the left of the equation contains only symbolic names, group names, port names, and NOT (! ) operators. |
See also:
Implementing Boolean Expressions & Equations
- PLDWorld - |
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