| CAUSE: | In a Text Design File (.tdf), you assigned a value to the specified input pin by using the pin on the left of a Boolean equation. You cannot assign a value to an input pin; in a Boolean equation, you must use an input pin only on the right of the equation (that is, as a value). |
| ACTION: | Replace the input pin on the left of the Boolean equation with a legal symbolic, input port, or group name. If you want, use the input pin as a value on the right of a Boolean equation. |
See also:
Implementing Boolean Expressions & Equations
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- PLDWorld - |
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