S32KのトピックRe: S32K144 and DFlash/PFlash prefetch buffer https://community.nxp.com/t5/S32K/S32K144-and-DFlash-PFlash-prefetch-buffer/m-p/888366#M4236 <HTML><HEAD></HEAD><BODY><P>Hello Enrico,</P><P>The Flash commands do not update the content of the buffers.<BR />For example, with the buffers enabled, if a PFlash address is read, then reprogrammed and read again, both read accesses will return the same data. <BR />Because the single-entry buffer can store the previously read data (Section 35.2.1 RM, rev.9).<BR />So, this is on the user’s responsibility.</P><P></P><P>Regards,<BR />Daniel</P></BODY></HTML> Tue, 12 Mar 2019 19:36:51 GMT danielmartynek 2019-03-12T19:36:51Z S32K144 and DFlash/PFlash prefetch buffer https://community.nxp.com/t5/S32K/S32K144-and-DFlash-PFlash-prefetch-buffer/m-p/888365#M4235 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>when I write DFlash/PFash memory (with FCCOB registers) is it mandatory to disable the respective prefetch buffers?</P><P>Best regards,</P><P>E.</P></BODY></HTML> Tue, 12 Mar 2019 17:47:28 GMT https://community.nxp.com/t5/S32K/S32K144-and-DFlash-PFlash-prefetch-buffer/m-p/888365#M4235 enricoantonioli 2019-03-12T17:47:28Z Re: S32K144 and DFlash/PFlash prefetch buffer https://community.nxp.com/t5/S32K/S32K144-and-DFlash-PFlash-prefetch-buffer/m-p/888366#M4236 <HTML><HEAD></HEAD><BODY><P>Hello Enrico,</P><P>The Flash commands do not update the content of the buffers.<BR />For example, with the buffers enabled, if a PFlash address is read, then reprogrammed and read again, both read accesses will return the same data. <BR />Because the single-entry buffer can store the previously read data (Section 35.2.1 RM, rev.9).<BR />So, this is on the user’s responsibility.</P><P></P><P>Regards,<BR />Daniel</P></BODY></HTML> Tue, 12 Mar 2019 19:36:51 GMT https://community.nxp.com/t5/S32K/S32K144-and-DFlash-PFlash-prefetch-buffer/m-p/888366#M4236 danielmartynek 2019-03-12T19:36:51Z