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Messages - dani

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P89V51Rx2/P89LV51Rx2 / Programming 89v51Rd2 problem
« on: August 13, 2011, 05:00:22 am »
Dear all,
i want to change the bootloader of 89v51rd2 so i had gone to isp->update bootloader and then
given updated file name and press update.
i could able to update one microcontroller but when i tried with other microcontroller(89v51rd2)
it stopped in erasing part and not able to come out of it.
now i couldn't put microcontroller in isp mode nor i could able to put it into execution mode.
even after resetting it's not getting programmed

2
is it possible to program more than one microprocessor using production system?
if yes than how,
as we require to program more UC in less time.
regards
MKD

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