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回复 1# Vladimir
if the chip was programmed as 256 bytes page.  and the chip can not be used 264 bytes pages forever.
(power of 2 bit )  is OTP bit

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回复 3# Vladimir

I will check it.

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No problem after careful testing
Pay attention to the following points when operating this chip.

1 。When  changing hardware from T56->TL866II or TL866II->T56, be sure to select the chip again.
2.  add a C  100P  between PIN MISO and GND  (PIN8 and PIN7) .
3.  Some adapters(ON TL866II) may be affected.Can be tested with a simple adapter.


AT45DB021D  and 081D  only memorysize is diffrent
AT45DB021D.jpg
2020-9-24 11:31

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TL866 II Need adding a 100P capacitance on data line.if the chip has been configed as 256. then it  cann't be parogammed as 264

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回复 11# wisesokol
   there are diffrent file size in two page mode.   see the data sheet of AT45DB081D

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