[chbot] A cheap pair of ARMs...

Cass Jones jones.cass at gmail.com
Wed Sep 5 06:21:56 BST 2012


> 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.
>
>

It is a shame my bike doesn't have 4 wheel drive.
Might be a worthwhile project.

On Wed, Sep 5, 2012 at 5:02 PM, Charles Manning <cdhmanning at gmail.com> wrote:
> 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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>
>
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