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Go Back   Interesting Devices Ltd > American Satellite > DSS Satellite > DSS Advanced
Reload this Page Defeating "Anti-Glitch" Techniques
DSS Advanced For the discussion of more technical and advanced aspects of DSS.

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Ifor1
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Default 17th July 2010, 03:21 AM

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Originally Posted by tweety View Post

Incorrect - BOD does not fire an interupt

Incorrect - superfulous, but incorrect regardless - interupts by definition do not get checked every few cycles
The BOD has several means of being triggered. One is dt/dv related, another is when an interrupt flag is set. I am unsure as to the exact number of cycles between each check of the BOD's condition flag because we don't know the internal frequency the pll is driving the core at. but I do know how many nS it takes for the BOD to fire.


I have never used the word "superfulous" in a sentence and don't feel like continuing a conversation with anyone who would use such fancy wurds...so, I shall remove myself before I am removed.
  
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ed12
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Default 17th July 2010, 03:51 AM

just watch for the >wdt<
= watch dog timer

the moment u glitch in is the moment it is set

ed
  
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BroBill
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Default 18th July 2010, 12:02 PM

what a great topic have enjoyed reading this so much reminds me of the EDDIE days in canada..Thanks Guys...Great read some good minds here,,,


® » ¤ðëþ§w壣¤ « ®
  
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buzzmaster
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Default 18th July 2010, 01:49 PM

some nice ideas and discussions but some need to lighten up a bit and realize they are talking in absolutes about things when they should be saying this is what THEY THINK is going on...

if attitudes and temps get up then this will just break down like all the other posts into meanless fragments spewn between outbreaks of arguments over who's right and who's wrong...

unless anyone of the ones talking in absolutes have at least popped a wafer and studied the logic structure at a silicon level and have seen and identified these mechanism's there arguing over speculatory thoughts of what they think is going on based on their own reasons...

people should take whats being said with a grain of salt and use the discussion to open up ideas of what MIGHT be going on rather then getting caught up in a bickering match over details that without a great deal of inside knowledge or at least some major time put in looking at micrographs theres just no way to know the details of whats being debated...

its good to talk and discuss ideas and thoughts with others, its just hard to get the best outta whats talked about when big head clash...

sorry if i sound negative on the post as thats not the intent, the reason i posted this is for the ones following along trying to find some insight and understanding for their own purposes of learning so as to keep things in perspective and get the most out of whats being discussed...

sofar the best part of the post has probably gone pretty much unnoticed except for the person that made the comment about the interface being used to test is able to test on all lines... that in itself is probably the most important thing said sofar as everything else talked about has been talked about in other discussions now for years so its not like its new or anything, but the key is that without a unit able to test on all the lines not much of any of this type of testing can even be attempted, so from my point sofar the best part about the post is being shadowed by the rest of the post...
  
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Default 18th July 2010, 02:24 PM

Quote:
Originally Posted by buzzmaster View Post
some nice ideas and discussions but some need to lighten up a bit and realize they are talking in absolutes about things when they should be saying this is what THEY THINK is going on...
~~~
unless anyone of the ones talking in absolutes have at least popped a wafer and studied the logic structure at a silicon level and have seen and identified these mechanism's there arguing over speculatory thoughts of what they think is going on based on their own reasons...
~~~
sofar the best part of the post has probably gone pretty much unnoticed except for the person that made the comment about the interface being used to test is able to test on all lines... that in itself is probably the most important thing said sofar
~~~
the key is that without a unit able to test on all the lines not much of any of this type of testing can even be attempted, so from my point sofar the best part about the post is being shadowed by the rest of the post...
I edited out some stuff, and highlighted some stuff but ONLY to emphasize some of your points , I think your comments show both TECHNICAL understanding, and a GREAT DEAL of INSIGHT into human nature as well ! THANKYOU for a GREAT POST !!!
-------------------------------------
In my opinion , BEFORE you can have a discussion of what is happening INSIDE a device under test , ( a " black box scenario " ) , you must FIRST;
A) DEFINE the baseline operateing conditions
B) DEFINE the DUT measurement methodology
C) DEFINE the proposed test methodology.

all of the above discussions seem to have skipped strait to " C) " without really hitting on A or B .
  
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Ifor1
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Default 18th July 2010, 06:10 PM

Quote:
Originally Posted by buzzmaster View Post
some nice ideas and discussions but some need to lighten up a bit and realize they are talking in absolutes about things when they should be saying this is what THEY THINK is going on...
I apologize if I have mislead anyone with my "observations". They are based on my interpretation of 14 months of non invasive testing (from a purely hobbyist point of view), with loaders that have control of all inputs to the cam and can manipulate each pad to pretty much dance whatever jig I ask them to. I personally feel that solving this puzzle by invasive means is cheating and anyone who does/did so...possibly has ulterior motives which don't involve the love of testing.

There...I just stepped on a few more toes
Hopefully, I missed your toes BM...
  
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Lol...!
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Lol...! - 18th July 2010, 06:24 PM

An Interesting read I found after I stubbed My toes...

http://www.literatecode.com/2007/06/03/smacadu/ ...
  
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Default 18th July 2010, 07:40 PM

yup thk-u very much
them are a few of the needed tools

ed
  
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Default 18th July 2010, 09:25 PM

no toes smashed here...

nice to see you respond as you did as that explains exactly where your coming from and lets others make fair evaluations of what your thoughts are...

its obvious you've put alot of time into testing and coming to the conclusions you have and its great to see someone attempt to share there thoughts and ideas for a change...

now that you've set the stage hopefully others will follow suit and contribute in similar manners and then everyone will benefit...

i think anyone that spends this amount of time persuing a hobby can fall into the trap of absolutes at times which usually just leads to making it difficult to solve problems because of flawed thinking at a base level...

i agree with you on the non-invasive thing as well tho... and like i said its nice to see someone try and talk about some of this stuff again...
  
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Default 18th July 2010, 10:51 PM

If it won't fit force it if it breaks it needed replacing anyway
  
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