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a LPC81x ISP problem

Question asked by torukoyama on Jul 18, 2018
Latest reply on Jul 19, 2018 by Kerry Zhou

I'm in trouble with ISP of LPC812.

A command of ISP, "Read <address> <number of byte>" seems to be wired when I read an address, 0x3808, which is the middle of page 224. there is no problem when I read 0x3800, 0x3804 and 0x380C. ISP returns the correct data via UART. But only reading the address of 0x3808, the return data is 0x00000000. Whenever read data, I designate <number of byte> as 4. and keep word boundary.

Is there a bug?


Here below are information of microprocessor I have.

ProductName: LPC812M101JDH20