Hi Sam,

Did you activate the 'DSP48 adders in butterfly' option in the
Implementation section? The add delay value will be fixed to 2 when that
option is on. Would you mind try turn off that and see if it works?

Thanks,
-Hong

On Thu, Jul 28, 2011 at 9:24 AM, Samuel Tun <[email protected]> wrote:

>  Hi,
>
>  I am using the latest BWRC libraries in Linux, and I found that I
>  cannot change the add delay values in the FFT block mask. Back when I
>  was using the 10.1 libraries, changing this delay value along with
>  other parameters along the PFB chain allowed me to meet timing
>  constraints for a 1 GHz clock without having to break masks and
>  putting multiple fixes all over the place. Does anyone know if this is
>  just happening to me, or if it was hardcoded, and most importantly,
>  how can I change this value?
>
>  thanks ya'll,
>  Sam Tun
>
>

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