[chbot] A cheap pair of ARMs...

[Charles Manning]

On Wednesday 05 September 2012 10:56:45 John Tiler wrote:
> Quite nice, it's a shame the 4MF's dont have an External Peripheral
> Interface (EPI) for external SRAM/Flash etc, but their 3M line does.
>
> I wonder why?

A good reason....
These are designed as cheap-as-can-be parts and thus the external bus 
interfacing (as well as the associated pads and pins)  is removed


Is it really a shame? It's a bit like saying that it is a shame your bike does 
not have 4 wheel drive. Buy the part you need for the job you want to do.



>
> for more info on this launchpad:
> http://www.ti.com/lit/ug/spmu289/spmu289.pdf
>
> Adrian
>
> > Date: Sat, 1 Sep 2012 18:09:21 +1200
> > From: hamster at snap.net.nz
> > To: chchrobotics at lists.linuxnut.co.nz
> > Subject: [chbot] A cheap pair of ARMs...
> >
> > I've just pre-ordered two TI ARM boards, for a grand total of US$9.98
> > including free shipping - about NZ$7 each.  They will be shipping from
> > the end of month, so it's not that long to wait. If you want one or two,
> > get yours at https://estore.ti.com/Stellaris-LaunchPad.aspx while the
> > special lasts.
> >
> > If you really want to know what you will get for $7 the two page data
> > sheet at http://www.ti.com/lit/ml/spmt273a/spmt273a.pdf, or the even
> > quicker summary is 80MHz ARM, 256kB FLASH, 32kB of SRAM, 43 pins of
> > GPIO. Programs over USB so no extra programmer is required.
> >
> > If you have nothing better to do while you wait, 1,200+ pages of
> > documentation for the controller at
> > http://www.ti.com/lit/ds/symlink/lm4f120h5qr.pdf
> >
> > Mike
> >
> >
> >
> >
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