RSTDSBL

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gregsmithcts wrote:
Did you miss the bit where I said...
Quote:
(Perhaps the 'can never' may be a little misleading)

?
One would normally set that fuse as the very last stage prior to production, therefore, using ISP further is moot, as the device will have shipped :) If it's programmed in error, then without HV/P you are pretty much stuck with whatever the last firmware was you loaded.

Gregsmithcts,
nope... you edited your post and added that line AFTER I quoted and replied. I knew what you meant, though... no worries.

Seriously, though... I had some SERIOUS questions about this after reading clawson's OP, which was NOT as clear as it could/should have been... thus my question. I was not trying to be confrontational, combative, "know it all", or a "newb" asking a stupid question... the fact of the matter is that the OP by Clawson can be interpreted in at LEAST two ways, and I needed clarification as to the actuality of the situation.

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gregsmithcts wrote:
Quote:
probably half the reason I ordered it was to "fix" a few Tiny85's I blew
I hope you have jumpers and a ZIF socket also :)

No worries there... I do embedded development for a living, have for 25 years now... if there's one thing I have plenty of it's wire and sockets! ;)

Last Edited: Fri. Aug 19, 2011 - 09:42 AM
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No problemo :)

I often update my posts in serveral stages, to further clarify the point/response I'm making ;)

--greg
Still learning, don't shout at me, educate me.
Starting the fire is easy; the hardest part is learning how to keep the flame!

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gregsmithcts wrote:
No problemo :)

I often update my posts in serveral stages, to further clarify the point/response I'm making ;)

Same here... but my edits are typically made to fix stupid spelling/grammar mistakes! ;)

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Bawker, the title of this thread may be a little misleading... It says, RSTDSBL. But, as you can plainly see, the content is actually about BEER and different measurement systems :) :) :)
:twisted:

--greg
Still learning, don't shout at me, educate me.
Starting the fire is easy; the hardest part is learning how to keep the flame!

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gregsmithcts wrote:
Bawker, the title of this thread may be a little misleading... It says, RSTDSBL. But, as you can plainly see, the content is actually about BEER and different measurement systems :) :) :)
:twisted:

Ahahahaaa!!!
I'm going to like this place.. I can tell already! :D

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Quote:
I'm going to like this place.. I can tell already! Very Happy
Welcome to AVRFreaks... Pull up a chair.. oh, and mines a PINT of Guiness ;)

--greg
Still learning, don't shout at me, educate me.
Starting the fire is easy; the hardest part is learning how to keep the flame!

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gregsmithcts wrote:
Quote:
I'm going to like this place.. I can tell already! Very Happy
Welcome to AVRFreaks... Pull up a chair.. oh, and mines a PINT of Guiness ;)

Thanks!
A bit late for a drink here (it's 4AM where I am) - time for bed. However, I'll join you for a drink tomorrow night... which will probably be early afternoon for you in your location! ;)

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Just to be clear (as it's obvious one has to spell things out in full) the majority of posts we get here are from those who have changed the RSTDISBL fuse to the active state with their cheap and cheerful ISP only programmer and then arrive saying "I don't seem to be able to program it again". For these people it *IS* true that they are stuck up a gum tree. Their only recourse is to spend a minimum of $50 (Dragon) or $79 (STK500), $199 (STK600) to dig them out of the hole they made for themselves by not actually bothering to read the datasheet of the device in the first place. There are open designs for an HVPP programmer on the internet http://www.der-hammer.info/hvpro... or http://elm-chan.org/works/avrx/r... but to be honest, for most folks it's actually cheaper to write the $1..$2 chips off to experience rather than paying $10-$20 for a kit of parts or $50+ for a ready built device simply to recover a $1-$2 chip.

In that sense you can never do ISP again if you f***ed up your AVR,

Last Edited: Fri. Aug 19, 2011 - 10:50 AM
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I still reckon that the Beer discussion is considerably more interesting. You cannot drink AVRs. They would stick in your throat.

David.

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Quote:
You cannot drink AVRs. They would stick in your throat.
True... but do they blend?
:)

http://www.willitblend.com/

--greg
Still learning, don't shout at me, educate me.
Starting the fire is easy; the hardest part is learning how to keep the flame!

Last Edited: Fri. Aug 19, 2011 - 11:12 AM
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Quote:

the Beer discussion is considerably more interesting

It's true that 8 pints of a good winter warmer are likely to make you forget completely about any disasters you had while programming your AVR ;-)

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david.prentice wrote:
Both. They all want to use RSTDSBL.

They select a Tiny13A (£1.80 from Farnell) instead of a Tiny25 (£1.87). These chips have very few pins.

David.[/quote

LOL

Why memorize anything which you can easily pen down on a piece of paper or get from a book in less than two minutes? - Albert Einstein on being asked why cant he remember his phone number!!!

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How can all these Brits be talking about their favorite brews and not mention one of England's greatest gifts to the world (right after modern democracy, the english common law, and the RN's efforts to end the slave trade in the 19th century)? While I can certainly enjoy a good Guinness or Beamish (haven't tried Murphy's), and Old Speckled Hen, London's Fuller Pride are also very tasty, nothing can compare to the deliciousness of a crisp India Pale Ale (note: IPA's on the US east coast are distinctly different from those brewed on the west coast). Do Englishmen even drink IPAs anymore? Don't even get me started on the Germans -- what I saw in Munich almost gave me nightmares (1/2 Witbier, 1/2 Lemonade? Are you kidding?!?).

Just to add to the dimensional analysis fun: the Liter stein I bought in Munich is a great fit for 36oz of ale here (3 x 12oz bottles or cans).

Science is not consensus. Science is numbers.

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david.prentice wrote:
I still reckon that the Beer discussion is considerably more interesting. You cannot drink AVRs. They would stick in your throat.

David.

David you have successfully converted this into a beer conversation!

Why memorize anything which you can easily pen down on a piece of paper or get from a book in less than two minutes? - Albert Einstein on being asked why cant he remember his phone number!!!

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Quote:

david.prentice wrote:
It happens that my two favourite brewers (..)are both British


Here is a link to a picture of my two favourite Brewers, and neither is British:
http://media.lawrence.com/img/ph...

Quote:

... how far from primary OP's question the thread can go. ...

You can put lipstick on a pig, but it is still a pig.

I've never met a pig I didn't like, as long as you have some salt and pepper.

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I noticed this is still in the AVR forum rather than Off Topic...

I prefer Fielder the Elder:

http://www.baseball-almanac.com/players/pics/cecil_fielder_autograph.jpg

Science is not consensus. Science is numbers.

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Quote:
Do Englishmen even drink IPAs anymore?
The only time I ever see IPA on sale these days is in the British Legion Clubs :)

--greg
Still learning, don't shout at me, educate me.
Starting the fire is easy; the hardest part is learning how to keep the flame!

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Several brewers make an IPA. e.g. Greene King.

It is not a universal truth. Just a style of beer.

You may find that they taste fairly different, depending on the brewer.

As our international visitors discover, there are a wide range of beers available. Some are good, some are horrible.

Camra (Campaign for Real Ale) did a great deal of harm to pubs. They feel obliged to offer many draught real ales. In consequence, many pubs do not shift all of them fast enough. An English beer that has 'gone off' is very unpleasant.

In my youth, you would never get bad beer. You may not have liked the beer, but it was never 'off'. The pub would only sell the products from one brewery. (that often owned the pub). You visited pubs that served the brewery that you liked.

Strangely enough, fewer people visit pubs now. Publicans wonder why they go out of business!

I would guess that selling 'bad' beer is unheard of in most other countries.

David.

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Quote:

An English beer that has 'gone off' is very unpleasant.


The effect is often worse the following day in fact ;-)

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