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???
04/08/08 16:31
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 		 #153028 - No recognized yet. "Help please"
Responding to: ???'s previous message
I changed VCC (Before 5V & 3,3V now) and it is not recognized yet.
Atmel Technical Support Team suggested me changeing Xtal fequency for 12 or 24 MHZ but PC refuses to recognize the home made 89c5131 programmer.

Any suggestion will be grateful!! And i beg your pardon about my bad english-

Thanks
Mauro


List of 27 messages in thread
TopicAuthorDate
usb driver to use at89c5131            01/01/70 00:00      
   AT89C5131 recognised by FLIP            01/01/70 00:00      
      No recognized yet. "Help please"            01/01/70 00:00      
         No programmer needed.            01/01/70 00:00      
            I just remember            01/01/70 00:00      
            hardware contition            01/01/70 00:00      
               USB device driver            01/01/70 00:00      
            schematic            01/01/70 00:00      
               Email schematic            01/01/70 00:00      
         Did you apply 5V to a 3.3V part?            01/01/70 00:00      
            AT89C5131A-S3SUM-ND is 2.7V - 5.5V            01/01/70 00:00      
               AT89C5131A-UM            01/01/70 00:00      
   Device Manager            01/01/70 00:00      
      Use driver that comes with your FLIP 3.3.1            01/01/70 00:00      
         USB Driver            01/01/70 00:00      
            Try again.            01/01/70 00:00      
               It is finished!            01/01/70 00:00      
                  Pleased that everything works OK now.            01/01/70 00:00      
                     Extended Range            01/01/70 00:00      
                        My AT89C5131-IL does not do correct Vref            01/01/70 00:00      
                           I guess you are led astary or confused            01/01/70 00:00      
                              Thanks Eric. That explains it.            01/01/70 00:00      
   AT89C51RC2 Bootloader process            01/01/70 00:00      
      Just check the box in FLIP            01/01/70 00:00      
         I have already done it            01/01/70 00:00      
            That is what it is supposed to do. Flip manual            01/01/70 00:00      
               Ok            01/01/70 00:00      

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