[Thumbgps-devel] in search of a better microcontroller

tz thomas at mich.com
Tue Mar 27 08:39:50 EDT 2012


While looking for other things, I came across this.

http://www.suntekstore.com/goods-14004282-enc28j60_ethernet_lan_module_for_arduinoavrlpcstm32.html

Ethernet for under $10.  Send a udp packet at pps?
 On Mar 26, 2012 8:53 PM, "Dave Taht" <dave.taht at gmail.com> wrote:

> Since 'plain jane' is coming along nicely, I've been amusing myself with
> what it would take to do 'sexy sadie'
> (not my final choice for a name btw!)
>
> I wanted to combine at least two functions into the usb stick, they would
> be:
>
> * gps/time with supercap backup
> * other sensor support (wind cups, precipitation, barometer, etc)
> * some sort of direct output signal (can bus? spi bus? don't know yet)
> * randomness/entropy generator
>
> While my initial choice for the former two features would be the ublox
> device already discussed, I haven't pursued the possibility of being able
> to modify their firmware to do what I want. I should contact them I
> guess... but I'm wagering that gaining access to that firmware will be
> difficult, so interfacing with a cheaper gps device (e.g plaine jane) and
> adding a microcontroller to it seems like the best option.
>
> The problem is I'd like to find something capable of 480Mbit transfers.
>
> The first microcontroller I picked (the atmel) seems to be near end of
> life and only does 12Mbit, so I went looking for the sexy and new (a lot of
> those!), and stumbled across this one:
>
>
> http://media.freescale.com/phoenix.zhtml?c=196520&p=irol-newsArticle_print&ID=1671968&highlight=
>
> I couldn't help but laugh when I saw:
>
> "Linear 4 GB address space that removes the need for paging, reducing
> software complexity and ensuring a more 8-bit-like user experience"
>
> Yea, that 8 bit-like user experience. That's what I want in a 32 bit 4GB
> capable architecture.
>
> The last phrase was removed from the official site later, after whoever
> wrote the pr release came down off of whatever he/she was smoking.
>
>
> http://www.freescale.com/webapp/sps/site/overview.jsp?code=KINETIS_L_SERIES&tid=van%20LSERIES
>
> This chip is WAY too new to consider using, but it is a sign of things to
> come. Still trying to find a sane 480Mbit USB interface that's under 10
> bucks...
>
> --
> Dave Täht
> SKYPE: davetaht
> US Tel: 1-239-829-5608
> http://www.bufferbloat.net
>
> _______________________________________________
> Thumbgps-devel mailing list
> Thumbgps-devel at lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/thumbgps-devel
>
>
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