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???
04/18/05 09:07
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#91807 - Initial Programming
Responding to: ???'s previous message
Look at the text at the bottom of page 22 of the same data sheet that I linked to before. There they describe the process for forcing the chip program execution into the special LDROM area for cases where an application has never yet been programmed into the application area of the FLASH ROM. There are some I/O pins you must reserve for this to which you may attach switches or jumpers.

Now if you have done something to your chips and taken action to erase the default code in the LDROM area then that is something you need to take up with the manufacturer. Also if they have some alternate way to program the LDROM with a custom version of the bootstrap loader then that information can only come from them as this information does not appear to be included in the data sheet.

Michael Karas


List of 14 messages in thread
TopicAuthorDate
Winbond W78E65P            01/01/70 00:00      
   Can the data sheet help?            01/01/70 00:00      
      Please check this out !            01/01/70 00:00      
         Initial Programming            01/01/70 00:00      
            Winbond ISP            01/01/70 00:00      
               Parallel Programming ...            01/01/70 00:00      
                  winbond            01/01/70 00:00      
                     Data sheet translations            01/01/70 00:00      
   ISP            01/01/70 00:00      
      Winbond...            01/01/70 00:00      
      I also wondered when don't see it listed            01/01/70 00:00      
         no, it is to keep from spending a lot of            01/01/70 00:00      
            How about simple pin description            01/01/70 00:00      
               proprietary chips            01/01/70 00:00      

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