«« ( Date ) »» // «« ( Thread ) »» // vlsi-nastava - 2007

Re: Za kolegu koji je pitao za procese...

by Veljko M
subota, 23. jun 2007 - 04:04.

Hvala, kolega, vidim budni smo i VREDNI do sitnih sati. :))

2007/6/23, Aleksandar Crnjin <acrnjin@gmail.com>:
>
> Nasao sam ovo u Xilinx Design Guidelines:
>
> Filling out a Process Sensitivity List
>
> · Within a combinatorial process, all signals that are read
> (which can change) must be in the sensitivity list.
>
> · This will insure the correct behavioral simulation. This
> includes any signals that are compared in if-then-else statements and case
> statements. It also includes any signal on the right-hand side of an
> assignment operator. Remember that this is only for signals that can change.
> A constant cannot change; thus, it does not need to be in the
> sensitivity list.
>
> · Within a clocked process, only an asynchronous set or reset
> and the clock should be in the sensitivity list.
>
> · If others are added, the functionality of a behavioral
> simulation will still be correct. However, the simulation will be slower
> because that process will need to be evaluated or simulated whenever a
> signal in its sensitivity list changes.
>
> Tako da, po ovome ispada da je kolega bio u pravu (sa obzirom da se
> promena desava samo na clk, ne treba navoditi ove ostale)
>
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