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???
08/29/05 20:21
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 		 #100248 - the chip manufacturers have become wise
Responding to: ???'s previous message
the chip manufacturers have become wise to the help desk cost of supporting kitchen table programmers, not to mention the complaints resulting from chips losing program because of nonstandard programming, and do thus not release parallel programming info to anyone but "certified programmer manufacturers" for ISP chips.

Thus, if you want to parallel program, you must buy a programmer.

Anyhow, the "normal" way to implement "private" bootloaders is just to put them in high memory, why do you need to overwrite the built in bootloader?

Erik

List of 28 messages in thread
TopicAuthorDate
Programming 89C5131 via hardware            01/01/70 00:00      
   the chip manufacturers have become wise            01/01/70 00:00      
      Programming 89C5131 via hardware (2)            01/01/70 00:00      
         just one question            01/01/70 00:00      
            Programming 89C5131 via hardware (3)            01/01/70 00:00      
               one problem with this is that you have n            01/01/70 00:00      
                  Atmel contact            01/01/70 00:00      
                     here we go again            01/01/70 00:00      
                        self-timing            01/01/70 00:00      
                           FLIP issue (modern technologies)            01/01/70 00:00      
                              lifetime            01/01/70 00:00      
                              transparent erasure            01/01/70 00:00      
                                 to: Jan Waclawek            01/01/70 00:00      
                              You've go to be kidding            01/01/70 00:00      
                                 self-timing            01/01/70 00:00      
                                    can you give me a reference to the fact            01/01/70 00:00      
                                       other way round            01/01/70 00:00      
         Contact Atmel            01/01/70 00:00      
      Bootloader bootloader            01/01/70 00:00      
         no way            01/01/70 00:00      
         Re: bootloader bootloader            01/01/70 00:00      
   Sounds like fun. Count me in.            01/01/70 00:00      
      Programming 89C5131 via hardware (2)            01/01/70 00:00      
   user bootloader?            01/01/70 00:00      
      Re: user bootloader?            01/01/70 00:00      
         what wrong?            01/01/70 00:00      
            Not, that old urban legend again            01/01/70 00:00      
               Atmel contact            01/01/70 00:00      

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