[Coco] FPGA 63x09

jdaggett at gate.net jdaggett at gate.net
Fri Mar 27 19:15:24 EDT 2009


Stephan 

When the code is synthesized much of the LUTs used are distributed ram 
blocks. There is where the usage is. Also that is optimized for speed and 
not area. 

james 

On 27 Mar 2009 at 17:44, Stephen Adolph wrote:

> I would bet that writing this in an RTL style would tighten it up
> significantly.  Seems like a lot of LUT there.
> 
> 
> >>
> > John Kent's CPU09 compiles into a:
> >
> > XC2S300E using 2666 LUTs out of 6144.
> > XC3S200AN using 2744 LUTs out of 3584.
> > XC3S500E using 3710 LUTs out of 9312.
> >
> 
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