 | | what variety of 6811 can be used? —Steve Owens
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| | | Dear Handy Board Enthusiasts: I'm new to the Handy Board (stumbled over it about two weeks ago). I understand that there are many types of 68HC11 chips--e.g., 68HC11A1FN, 68HC11A8, 68HC11 E series, and so on. I know that the 'A1FN is used in the (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | | | | Re: what variety of 6811 can be used? —Nick Taylor
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| | | | Steve - - - As a HandyBoard *old timer* (I've had mine for almost two months) I've found that the best source of 68HC11 info is Motorola. Their documentation is *free*. Here are 3 manuals that are a must: M68HC11RM/AD Reference Manual MC68HC11A8/D (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | | | | | Re: what variety of 6811 can be used? —Fred G. Martin
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| | | | (...) why does the 512 bytes matter? the HB has 32K of external ram. i guess if you're planning to do rom-able code development then i understand. there's very little difference between the e and a series. the port A counter/timer pins are slightly (...) (26 years ago, 2-Feb-99, to lugnet.robotics.handyboard)
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| | | | | | Re: what variety of 6811 can be used? —Jeff Loeliger
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| | | | Everyone and Fred, Just to let everyone know, Motorola is currently doing an "End of Life" buy on the 68HC11A family. I think the plan is that we will stop making them by the end of the year. We are moving all customers over to the 68HC11E family. (...) (26 years ago, 3-Feb-99, to lugnet.robotics.handyboard)
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| | | | | | Re: what variety of 6811 can be used? —Nick Taylor
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| | | | Jeff - - I can't locate the App. Note. Will you please post the link. Thanks, - - - Nick - - - (...) <snip> There is an application note on moving between the (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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| | | | | | Re: what variety of 6811 can be used? —Jeff Loeliger
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| | | | Nick, Sorry, I should have posted the link but I was out of the office yesterday and could not remember where it was. Motorola has an Engineering Bulletin call "Replacing 68HC11A Series MCUs with 68HC11E Series MCUs", it can be found at: (...) -- (...) (26 years ago, 4-Feb-99, to lugnet.robotics.handyboard)
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