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Lpc2000

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Re: [lpc2000] FullCAN

2005-08-19 by Joel Winarske

>Tim Wade wrote:
>
>How have you found ST? I got badly burnt with ST on a number of 
>ocassions... Admittedly quite a few years ago but I was thinking of using 
>some of their stuff again... I do like the fact that Philips admit to the 
>problems that >they have. I have found quite a few companies, when I have 
>had problems, have grudgingly admitted that they had known about the isses 
>for a while...

Yes honesty in a manufacturer is paramount, let alone in any business 
partner.

The product we're using is the STR712.  Pretty decent peripheral software 
libs, and a useful timing spreadsheet.  The software libs offer a decent 
head start, but it's not clear on the quality of test coverage.  We're 
running a protocol variation of SAE J1939, 16k of RAM for stack and 
application is a bit too small for comfort, 32k is good, 64k offers a 
feature upgrade path.  Silicon errata, RAM size, pin compatibility, and 
package options were the deciding factors.  At the moment availability looks 
very good.

Freescale has an interesting new offering, the MAC7100 series.  But no clear 
answer on production eta.  It seems Freescale has taken the route of more 
RAM like ST.
An interesting side note is the MAC7100 series came up with the smallest 
code density on some quick IAR compilation tests.  I've been meaning to drop 
IAR an email about this.

Joel

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