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Altera_Forum
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12 years ago

Multi cycle path trough combinatoric logic circuit

Hi, i have an issue to fully understand and constraint multi cycle path for particular vhdl file. I created pipeline tree adder with enable input. This pipeline tree adder is created using recu...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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I dont understand the relevance of the inputs being odd or even?

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It means what designed pipeline tree adder module can be even or odd count of inputs. No modifications are needed in VHDL code.

RTL with 3 inputs

https://www.alteraforum.com/forum/attachment.php?attachmentid=8334

RTL with 4 inputs

https://www.alteraforum.com/forum/attachment.php?attachmentid=8335

Yes i know what Altera provides with huge set of megafunctions. But i wanted to raise my skill in VHDL - so i started to build my own basic blocs.

P.S. sorry about my English.