CAUSE: | In the current design, the Design Assistant found the specified number of pulse generators, which are structures that generate pulses in one of the following ways:
These pulse generators do not follow the Altera standard scheme, where the generated pulse width is always equal to the clock period. As a result, the pulse widths are difficult for the Quartus II software to determine, set, or verify. For example, the pulse width generated by a pulse generator that uses a 2-input |
ACTION: | Implement the pulse generator synchronously so the pulse width is always equal to the clock period. |
See also:
Analyzing Designs with the Design Assistant
Pulses Should be Implemented According to Altera Standard Scheme
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