Yes I have seen that part. As far as I understand it, it concerns the flash BSL In the document: it is written: 5.5 F5xx and F6xx Flash-Based BSL Versions There is no mention saying that the latest RAM USB BSL can't be used on all the revisions of silicon die. If it is the case, beside some guy reading the marking on the chip, how do we know which RAM BSL to use ? The TX BSL Version command is not even available with the flash based BSL.
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