Hi,
in https://www.nxp.com/docs/en/user-guide/IMX_PORTING_GUIDE.pdf there is a link to
i.MX 6 Series DDR Calibration (AN4467) -> https://www.nxp.com/assets/documents/data/en/application-notes/AN4467.pdf
which is 404 Not Found. AN4467 seems disappeared. Where can that be found?
Cheers,
Andrea