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Re: ARM Cortex M23 and M33 announced

From John Devereux <john@devereux.me.uk>
Newsgroups comp.arch.embedded
Subject Re: ARM Cortex M23 and M33 announced
Date 2016-10-30 08:51 +0000
Message-ID <87funejk3l.fsf@devereux.me.uk> (permalink)
References <87shrel2o5.fsf@nightsong.com>

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Paul Rubin <no.email@nospam.invalid> writes:

> http://www.arm.com/files/pdf/cortex_m23_and_cortex_m33.pdf
>
> tldr: m23 is an m0+ follow-on and m33 is an m3/m4 follow-on with
> configurable dsp and floating point options.  Both have TrustZone.  The
> m33 gives 20% performance boost to the m3/m4 (wonder what happened to
> the m7) while the m23 adds TrustZone to the m0+.

The M7 is available, ST have a range of parts as do Atmel and
NXP/freescale.

<http://www.digikey.co.uk/product-search/en/integrated-circuits-ics/embedded-microcontrollers/2556109?k=cortex%20m7>

The newer ST models have double precision FP, and they have just
announced a new 400MHz range, doubling the clock speed by moving to a
45nm process.

<http://www.st.com/content/st_com/en/about/media-center/press-item.html/p3878.html>


-- 

John Devereux

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ARM Cortex M23 and M33 announced Paul Rubin <no.email@nospam.invalid> - 2016-10-30 00:24 -0700
  Re: ARM Cortex M23 and M33 announced John Devereux <john@devereux.me.uk> - 2016-10-30 08:51 +0000

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