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AT91 ARM Thumb

AT91 ARM Thumb

2004-01-26 by Jamie Morken

Hi all,

Just wondering what people think of the Atmel AT91 ARM Thumb chips?  The
"AT91RM9200-QI-002" looks pretty interesting.  It is 180MHz pqfp 208
package.  Are these supported by the arm/thumb GNU toolchain?
Anyone selling evalboards for these chips?

cheers,
Jamie Morken

Re: [lpc2100] AT91 ARM Thumb

2004-01-26 by Lewin A.R.W. Edwards

> Just wondering what people think of the Atmel AT91 ARM Thumb chips?  The
> "AT91RM9200-QI-002" looks pretty interesting.  It is 180MHz pqfp 208
> package.  Are these supported by the arm/thumb GNU toolchain?
> Anyone selling evalboards for these chips?

It's not on-topic for this group, but the answers to your questions are:
1. For much higher-performance applications, e.g. DSP-heavy functions, 
they're a good choice. It's more work to build them into a complete 
functional system, however.
2. Yes, and
3. Atmel, at the very least. IIRC their ARM9 EVBs are quite expensive 
though.

-- 
  -- Lewin A.R.W. Edwards (http://www.zws.com/)
Learn how to develop high-end embedded systems on a tight budget!
http://www.amazon.com/exec/obidos/ASIN/0750676094/zws-20

Re: [lpc2100] AT91 ARM Thumb

2004-01-26 by Ben Dooks

... are there any more general groups for discussion of the lower end of ARM CPUs? the company I work for are just about to release an Oki ARM7 module, and it

Re: [lpc2100] AT91 ARM Thumb

2004-01-26 by Lewin A.R.W. Edwards

> are there any more general groups for discussion of the lower end of
> ARM CPUs? the company I work for are just about to release an Oki ARM7

I think your best bet would be to discuss on Usenet in
comp.arch.embedded and comp.sys.arm. There are many ARM developers
there, and in fact I recall someone mentioning Atmel's higher-end parts
there within the last month or so.

Interesting on the Oki parts. One of our semi reps has been trying to
sell me on those parts for a while, but I just never get time to
evaluate them. Looks like our next ARM-based system will be built around
XScale.

-- Lewin A.R.W. Edwards (http://www.zws.com/)
Learn how to develop high-end embedded systems on a tight budget!
http://www.amazon.com/exec/obidos/ASIN/0750676094/zws-20

Re: AT91 ARM Thumb

2004-01-26 by hanley2k

On the Oki parts..... they have a few product series based on ARM7TDMI
for gen.purpose applications and are pretty cost effective...
(okisemi.com/us) 

they may be worth looking at if also considering Philips. 


--- In lpc2100@yahoogroups.com, "Lewin A.R.W. Edwards" <larwe@l...> 
wrote:
> 
> > are there any more general groups for discussion of the lower end 
of
> > ARM CPUs? the company I work for are just about to release an Oki 
ARM7
> 
> I think your best bet would be to discuss on Usenet in
> comp.arch.embedded and comp.sys.arm. There are many ARM developers
> there, and in fact I recall someone mentioning Atmel's higher-end 
parts
> there within the last month or so.
> 
> Interesting on the Oki parts. One of our semi reps has been trying 
to
> sell me on those parts for a while, but I just never get time to
> evaluate them. Looks like our next ARM-based system will be built 
around
Show quoted textHide quoted text
> XScale.
> 
> -- Lewin A.R.W. Edwards (http://www.zws.com/)
> Learn how to develop high-end embedded systems on a tight budget!
> http://www.amazon.com/exec/obidos/ASIN/0750676094/zws-20

Re: [lpc2100] AT91 ARM Thumb

2004-01-26 by Pablo Bleyer Kocik

At 10:59 2004-01-26, you wrote:

> > are there any more general groups for discussion of the lower end of
> > ARM CPUs? the company I work for are just about to release an Oki ARM7
>
>I think your best bet would be to discuss on Usenet in
>comp.arch.embedded and comp.sys.arm. There are many ARM developers
>there, and in fact I recall someone mentioning Atmel's higher-end parts
>there within the last month or so.
>
>Interesting on the Oki parts. One of our semi reps has been trying to
>sell me on those parts for a while, but I just never get time to
>evaluate them. Looks like our next ARM-based system will be built around
>XScale.

  The Oki chips are very nice parts. They are almost the only company 
selling off-the shelf general purpose ARM7TDMI chips with an SDRAM 
controller (what ARM7 AT91s lack). They were a little bit difficult to 
source in small quantities though, but I think that is improving now. Price 
is very good for medium and large volume projects (between US$5-$10). Nice 
is that they come in QFP and BGA packages.

  Regards.


--               /"Inventiveness has not yet come to an end.
PabloBleyerKocik/ Who can tell what machine we shall employ a
  pbleyer       / year hence in order to perforate the atmosphere?"
   @.../ -- Der Rote Kampfflieger, Manfred von Richthofen

Re: [lpc2100] AT91 ARM Thumb

2004-01-26 by Ben Dooks

On Mon, Jan 26, 2004 at 01:19:40PM -0300, Pablo Bleyer Kocik wrote:
> At 10:59 2004-01-26, you wrote:
> 
> > > are there any more general groups for discussion of the lower end of
> > > ARM CPUs? the company I work for are just about to release an Oki ARM7
> >
> >I think your best bet would be to discuss on Usenet in
> >comp.arch.embedded and comp.sys.arm. There are many ARM developers
> >there, and in fact I recall someone mentioning Atmel's higher-end parts
> >there within the last month or so.
> >
> >Interesting on the Oki parts. One of our semi reps has been trying to
> >sell me on those parts for a while, but I just never get time to
> >evaluate them. Looks like our next ARM-based system will be built around
> >XScale.
> 
>   The Oki chips are very nice parts. They are almost the only company 
> selling off-the shelf general purpose ARM7TDMI chips with an SDRAM 
> controller (what ARM7 AT91s lack). They were a little bit difficult to 
> source in small quantities though, but I think that is improving now. Price 
> is very good for medium and large volume projects (between US$5-$10). Nice 
> is that they come in QFP and BGA packages.

yep, and of course the external flash option for larger code.

-- 
Ben

Q:      What's a light-year?
A:      One-third less calories than a regular year.

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