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Re: [lpc2100] DSP'ing with the LPC21xx

2004-01-14 by Bogdan Marinescu

I apologize for my mistake; rfPIC should be read
as dsPIC, of course :)

--- Bogdan Marinescu <a_bogdan_marinescu@...>
wrote:
>     Maybe not as good as ADI's DSPs, but probably
> better than some low-end DSPs (for example
> Microchip's
> rfPIC). There are some drawbacks, of course (no
> hardware loops, lack of division, no special
> addressing modes), yet I believe it should perform
> quite well for medium complexity DSP algorithms.
> 
>     - 
> --- Leon Heller <leon_heller@...> wrote:
> > 
> > ----- Original Message ----- 
> > From: "karldalen" <karldalen@...>
> > To: <lpc2100@yahoogroups.com>
> > Sent: Wednesday, January 14, 2004 1:52 PM
> > Subject: [lpc2100] DSP'ing with the LPC21xx
> > 
> > 
> > > Hi!
> > > I recently studied the LPC MAC instruction set
> and
> > suspect
> > > that the 21xx would be very good at running many
> > DSP routines.
> > >
> > > Infact so efficent that it would make many low
> > cost DSP's
> > > quite obsolete! Knowing that most DSP dev tools
> > are costly!
> > >
> > > Have anyone any experience into this?
> > > What do you think about the LPC's DSP
> kapability?
> > 
> > I'm interested in trying this myself. The
> > performance should be reasonable,
> > approaching 60 MMACs. You'll have to use assembler
> > as the C compilers don't
> > support the MAC operation AFAIK.
> > 
> > It won't be anything like as good as the ADI
> > Blackfin of course. I've got
> > the Blackfin EZKit - it offers up to 1.2 GMACs
> from
> > its two ALUs operating
> > in parallel at 600 MHz!
> > 
> > Leon
> > --
> > Leon Heller, G1HSM
> > Email: aqzf13@...
> > My low-cost Philips LPC210x ARM development
> system:
> > http://www.geocities.com/leon_heller/lpc2104.html
> > 
> >  
> > 
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> > 
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> > 
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> > 
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> > 
> > 
> 
> 
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