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???
10/07/06 20:44
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#125977 - flash corruption?
Responding to: ???'s previous message
Asok Sankar Rudra said:
To my horror I notice that this ram intensive routine is running partially faulty with AT89S52 but there is absolutely no problem with AT89C52.By faulty I mean fonts are corrupt for example the horizontal bar of "A" is missing and like that.

This sounds as a FLASH corruption rather than RAM problem... However, I can only guess of course; my guess based on assumption that the "fonts" ("A") are stored in FLASH.

Can you read out (verify) the content of the "faulty" AT89S52?

JW




List of 12 messages in thread
TopicAuthorDate
New problem with AT89S52,not AT89C52            01/01/70 00:00      
   flash corruption?            01/01/70 00:00      
      Verified            01/01/70 00:00      
         faster?            01/01/70 00:00      
            Thanks but...            01/01/70 00:00      
               Just because 'it worked'            01/01/70 00:00      
      schematics            01/01/70 00:00      
         one more at "that school"            01/01/70 00:00      
         Please start a new thread!            01/01/70 00:00      
   Nobody in their right mind            01/01/70 00:00      
   check diffs?            01/01/70 00:00      
      A boon in disguise            01/01/70 00:00      

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