Re: general questions regarding ARMs

On 2005-09-01, Stephen Pelc <stephenXXX@xxxxxxxxxxxx> wrote:

> The Atmel AT91 ARM7 cores mostly use a 16 bit external bus and no
> caches. The ARM9 cores are nearly always cached and the memory system
> is usually optimised for SDRAM.
>
> Of the ARM7 chips we have used, the Philips LPC2000 family's MAM
> unit is far and away the best solution for hard real-time systems. The
> downside is that it only works on internal Flash (up to 512k). The
> cached Sharp parts are pretty good too, providing you can live with
> the usual cache side-effects.

Samsung's ARM7 parts have a cache, and are pretty cheap (though
in my experience the peripherals tend to be buggy). The
Linksys WAPs run Samsung ARM7 parts and can be a cheap
"development platform" for running uCLinux.

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Grant Edwards grante Yow! I Know A Joke!!
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