| CAUSE: | In the current design, the Design Assistant found the specified number of ripple clock structures, which are structures where the outputs of two or more registers in a cascade each directly drives the input clock port of the following register in the cascade. However, cascading registers should have only one output, or no output, that directly drives the following register's input clock port. The submessage(s) of this message list the structure(s) that the Design Assistant found. |
| ACTION: | Make sure that no more than one of the register outputs in a cascade directly drives the input clock port of the following register in the cascade. |
See also:
Analyzing Designs with the Design Assistant
Two or More Register Outputs in Cascade Should Not Directly Drive Clock Ports of Following Registers
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