How to pick an ARM processor (was Re: Porting Squeak to SH4)
Bruce ONeel
edoneel at sdf.lonestar.org
Fri Mar 28 10:57:36 UTC 2003
This looks cute...
http://www.strategic-test.com/embedded_systems/pxa255-cpu_ethernet_dimm
_module.html
Processor Intel XScale PXA255 400 MHz
Memory 64 MByte SDRAM (32-bit @ 100 MHz)
32 MByte flash memory (32 bit)
Interfaces 10/100 MBit/s LAN91C111 fast Ethernet controller (32-bit)
onboard
3 asynchronous, 1 synchronous RS-232 interfaces
I²S, AC97 interface available
I²2C
all on a DIMM sized module.
bruce
JTAG interface
Frank Sergeant <frank at canyon-medical.com> wrote:
> Tim Rowledge <tim at sumeru.stanford.edu> wrote:
>
> > Then again, what on earth are you doing wasting time on a dumb SH4?
> > Get an ARM. :-)
>
> I've been doing some embedded system work with the Hitachi H8/532 but
> have been thinking about possibly switching to the ARM. Very low power
> is my main goal but if I could get that and also have a 32-bit CPU that
> would be a great combination. Do you have any thoughts about how to go
> about deciding /which/ ARM variant to use and which manufacturer? There
> seem to be a confusing variety of them.
>
>
> -- Frank
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