Subject:
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Re: Generic 68HC11 board question-
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 20 May 1997 13:14:52 GMT
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Original-From:
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Fred G. Martin <(fredm@media.mit)nospam(.edu)>
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Viewed:
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1469 times
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w/o the ds1233, the contents of the ram will become corrupted during
power-up or power-down of the 6811.
an r/c could protect during power-up, but wouldn't reset the 6811
during power down. remember it's still trying to execute code as
system voltage falls off.
-fred
> I was wondering about the DS1233 EconoReset thingy- what would happen if it
> wasn't there and reset was just tied high or through a RC delay to high? Does
> the DS1233 just add to 'reset stability' or is it important to keep reset fro • m
> going high until after a certain 'settling period' for the MOD A/B bits? If
> it wasn't there, is the behavior undefined, flaky, or not-affected, or what?
>
> Thanks for any replies!
>
> John
>
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Message is in Reply To:
 | | Generic 68HC11 board question-
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| Howdy- I was wondering about the DS1233 EconoReset thingy- what would happen if it wasn't there and reset was just tied high or through a RC delay to high? Does the DS1233 just add to 'reset stability' or is it important to keep reset from going (...) (27 years ago, 20-May-97, to lugnet.robotics.handyboard)
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