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???
02/16/07 06:57
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 		 #133104 - bootloader
Responding to: ???'s previous message
hi,

Sushil Raut said:
I would like to know whether ISP programming of AT89C5131A-M is possible using RS232 port.


FM1 part of AT89C5131A-M flash memory is preprogrammed with default Atmel bootloader which utilizes USB.

To use UART bootloader:
- either reprogram factory bootloader with parallel programmer;
- use own custom bootloader placed into FM0, then set Boot Vector Address (SBV) byte to point on it.

If I remember correctly, I did not see UART bootloader for AT89C5131A-M made by Atmel. However they all are similar more or less, so you should adapt, compile and upload UART bootloader of other Atmel chips. Or write own one.

Regards,
Oleg

List of 29 messages in thread
TopicAuthorDate
Atmel 89C5131A-M            01/01/70 00:00      
   bootloader            01/01/70 00:00      
      Thanks Oleg            01/01/70 00:00      
   USB interface for ISP programming.            01/01/70 00:00      
      did you try search the forum?            01/01/70 00:00      
      same problem            01/01/70 00:00      
      need some help            01/01/70 00:00      
         Have you looked here?            01/01/70 00:00      
            no success            01/01/70 00:00      
               Driver            01/01/70 00:00      
      Same problem - with setup details - HELP!            01/01/70 00:00      
         Re:6V            01/01/70 00:00      
            Well boy is my face red....            01/01/70 00:00      
   Yes, I did search on this forum            01/01/70 00:00      
      Atmel 89C5131A USB driver.            01/01/70 00:00      
         usb driver            01/01/70 00:00      
   Atmel 89C5131A USB Driver            01/01/70 00:00      
      usb            01/01/70 00:00      
         Atmel 89C5131A USB Driver            01/01/70 00:00      
            i do not know your chip, but            01/01/70 00:00      
               Always exceptions are there :-)            01/01/70 00:00      
                  well, now I have seen one            01/01/70 00:00      
      thank you            01/01/70 00:00      
         have you measured the PLLF pin            01/01/70 00:00      
            Please check the PLLF            01/01/70 00:00      
               XTAL for USB            01/01/70 00:00      
            89c5131            01/01/70 00:00      
            89c5131            01/01/70 00:00      
   from the peanut gallery            01/01/70 00:00      

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