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楼主: noori1

RT809F HELP ?

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发表于: 2017-9-24 23:43:57
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Early product of this chip can be programmed easily.Many kinds of firmware are provided completely by local vendor.We may write it correctly in off line
mode. But I don't know the service code.  Later released board is not similar to earlier board in shape.Its' shape is rectangular.I can't write its' program
by RT809F.I have to burn it externally.But I can use service code easily.The code is Menu>1'1'4'7.I found many sub menu to adjust. Menu button does
exit function.I found the original designer of this chip in service menu.That is Germany. So this chip is not a fake. Thank.
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