[En-Nut-Discussion] Supporting Other Target Platforms
Zodianet
zodianet at wanadoo.fr
Thu Feb 5 12:42:44 CET 2004
I am not sure that Nut/OS needs a great "CPU upsizing" today but it needs to
become first more reliable before migrate!
Other bigger OS are in place and could be a better choice for bigger CPUs to
fill quickly 512K of Flash ;-).
Jean Pierre
-----Message d'origine-----
De : en-nut-discussion-bounces at egnite.de
[mailto:en-nut-discussion-bounces at egnite.de] De la part de Harald Kipp
Envoyé : jeudi 5 février 2004 11:27
À : Ethernut User Chat (English)
Objet : Re: [En-Nut-Discussion] Supporting Other Target Platforms
Ralph,
>An 8mb dram is only a couple of dollars, there is no way you will
>approach 8mb ram and 512kb flash for $12 from atmel. For another $3
>you can add a couple mb more flash. There are 4 chip selects so it's
>nice and easy to connect a few items to the bus.
I'm afraid, that it's not that simple. As far as I understood, the low cost
thumbs are running with
32 bit access in internal memory only. Having Nut/OS and the application in
on-chip RAM is an advantage.
Another thing is, that total cost is also based on chip count and PCB size.
On the other hand, external flash gives more flexibility.
It may contain the image _plus_ a file system.
Harald
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