flash with xtimecomposer and command prompt cause different flash content

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TonyXiao
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Joined: Fri Mar 29, 2019 3:58 am

flash with xtimecomposer and command prompt cause different flash content

Postby TonyXiao » Fri Mar 27, 2020 10:09 am

Hi guys

when i flash the same xe file with xtimecomposer and command prompt, they are in same version of 14.3.3.
and read the flash content out, found they are different. though the working result seem all the same.

my board xlinks one XUF232 and one XU208, both of the 2 xmos works well as 1 XMOS. i compared the flash contents, and the upper part is flash by xtimecomposer the other is by command prompt.

some of the diffents, there seems rules to replace the data such as: 3A-->ED, 2D-->0D, 55-->65,D6-->E6,...
and one special rule is add 00 before 38 8D at the address 0x5818,(38 8D only one place of all the content)
compare-flash-content.png
compare-flash-content3.png
and beside the replace rules at the end there are 4 bytes moved back overall.
compare-flash-content2.png
when try doing the same thing without xlink xu208, only using XUF232, and the 2 flash methods have the same flash content.
reading the datasheet, such XUF232 can be looked as 2 XU216 xlink together, but why when i xlinks caused the differnt result?


BR,
tony
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