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'[OT:] 8051'
2004\04\30@230911 by Robert B.

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I've been reading up on the 8051 chips, and am having trouble finding a
decent comparison of these relatively old chips with more modern ones, such
as the atmega or Pics.  Anybody know of a good site to read about them?  It
seems like they're roughly equivalent to me, but I'm pretty new to all this
still.

Thanks!

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2004\04\30@232158 by Spehro Pefhany

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At 10:08 PM 4/30/2004 -0500, you wrote:
>I've been reading up on the 8051 chips, and am having trouble finding a
>decent comparison of these relatively old chips with more modern ones, such
>as the atmega or Pics.  Anybody know of a good site to read about them?  It
>seems like they're roughly equivalent to me, but I'm pretty new to all this
>still.
>
>Thanks!

You can find comparisons in the early Microchip data, but they are not
very relevant. Early 8051s were 12 clocks per cycle, had nasty pseudo-
bidirectional ports and fairly primitive peripherals. They did have interrupts
and some other advanced features compared to early PICs, however, and a
much more comprehensive CISC instruction set.

Modern 8051s run up to 100MIPS (one clock per cycle @100MHz), and some have
advanced features such as very high performance ADCs, DACs etc. etc. In one
product we use an inexpensive Philips part that runs at 6 clocks/cycle.

Here is an overview of the dozens of vendors:

http://www.designtools.co.nz/overview.htm

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
.....speffKILLspamspam@spam@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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'[OT:] 8051'
2004\05\01@013525 by Bruce
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Check out http://www.8052.com

Regards,

-Bruce
.....techKILLspamspam.....rentron.com
http://www.rentron.com

Subject: [OT:] 8051


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2004\05\01@074536 by Rich

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DALLAS

----- Original Message -----
From: "Robert B." <piclistspamspam_OUTNERDULATOR.NET>
To: <@spam@PICLISTKILLspamspamMITVMA.MIT.EDU>
Sent: Friday, April 30, 2004 11:08 PM
Subject: [OT:] 8051


> I've been reading up on the 8051 chips, and am having trouble finding a
> decent comparison of these relatively old chips with more modern ones,
such
> as the atmega or Pics.  Anybody know of a good site to read about them?
It
> seems like they're roughly equivalent to me, but I'm pretty new to all
this
> still.
>
> Thanks!
>
> --
> http://www.piclist.com hint: To leave the PICList
> KILLspampiclist-unsubscribe-requestKILLspamspammitvma.mit.edu
>

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