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Andy Neil
11/28/11 14:40
Read: 463 times
Basingstoke
Uk


 
#184933 - That's the fundamental flaw with RC resets!
Responding to: Jan Waclawek's previous message
Jan Waclawek said:
The weakness of RC reset is that it does not unconditionally provide a clean pulse.

Absolutely!

See: http://www.8052.com/faqs/119931

You can try to experiment with the values of R and C ... but there's no guarantee this will definitively help.

That is the fundamental flaw with RC resets: you may find something that happens to "work" (sic) for most situations - but that will always leave some cases where it will fail...

And, as Murphy's Law tells us, those cases will be the most inconvenient and frustrating possible! You might think you're saving a few pennies with a "cheap" (sic) RC reset - but the true cost can be far higher...

List of 25 messages in thread
TopicAuthorDate
P89V51RD2 And Flash Magic      Arif Deshmukh      11/26/11 18:48      
   please suggest      Andy Neil      11/26/11 23:27      
   reset button      Jan Waclawek      11/27/11 01:52      
      Reset Button      Arif Deshmukh      11/27/11 09:26      
         reset circuit      Jan Waclawek      11/27/11 13:04      
            That's the fundamental flaw with RC resets!      Andy Neil      11/28/11 14:40      
   Use a MAX700      Matthias Arndt      11/29/11 00:15      
      Rest supervisor        Steve M. Taylor      11/29/11 03:56      
         How Many Times      Michael Karas      11/29/11 05:03      
            This will continue until ...      Richard Erlacher      11/29/11 15:08      
               Power dip      Per Westermark      11/30/11 05:01      
                  real, but worse if flash      Erik Malund      11/30/11 07:17      
                  note, that here the main problem is NOT power related...      Jan Waclawek      11/30/11 07:17      
                     Yes      Per Westermark      11/30/11 07:42      
                        the ultimate joke      Erik Malund      11/30/11 08:20      
                           SiLabs watchdog      Andy Peters      11/30/11 09:25      
                              clarification      Erik Malund      11/30/11 09:43      
                                 Beware flash erase time      Maarten Brock      12/01/11 10:03      
                           brownout detection      Maarten Brock      12/01/11 10:07      
                              well,      Erik Malund      12/01/11 10:09      
                  It's not the spec's ... it's the lack of them.      Richard Erlacher      11/30/11 12:43      
   Reset Chip?      Arif Deshmukh      11/29/11 21:04      
      Why Ask???      Michael Karas      11/29/11 21:33      
         Thanks      Arif Deshmukh      11/30/11 00:29      
            a plethora of possible chips      Erik Malund      11/30/11 07:19      

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