https://community.nxp.com/t5/S32K/Flash-Write-in-the-last-sector/m-p/2270814#M55831 <P>Hello team,</P><P>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; i'm erasing the complete flash using t32 then i'm flashing the s19 file. last few bytes are empty within a controller memory range. then i'm writing through flash driver from RAM.&nbsp;</P><P>the data not get written in the location but some where above i written. can you please help me how to fix this</P><P>i'm trying to write in 0x47FD8 address 8 bytes of data (0x4C544253 0xFFFFFFFF)</P><P>but some random data written in the 0x47FF80 location.</P><P>can you please confirm any issue in the flash unprotect register which i'm doing is correct</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Yellow_2-1767370588714.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/371625iBE1D3F2499B2EEF3/image-size/medium?v=v2&amp;px=400" role="button" title="Yellow_2-1767370588714.png" alt="Yellow_2-1767370588714.png" /></span></P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Yellow_0-1767370561800.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/371623i4714D3AA330439F2/image-size/medium?v=v2&amp;px=400" role="button" title="Yellow_0-1767370561800.png" alt="Yellow_0-1767370561800.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Yellow_1-1767370576311.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/371624i2A79225DFA35AF9F/image-size/medium?v=v2&amp;px=400" role="button" title="Yellow_1-1767370576311.png" alt="Yellow_1-1767370576311.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Fri, 02 Jan 2026 16:18:14 GMT Yellow 2026-01-02T16:18:14Z https://community.nxp.com/t5/S32K/Flash-Write-in-the-last-sector/m-p/2270814#M55831 <P>Hello team,</P><P>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; i'm erasing the complete flash using t32 then i'm flashing the s19 file. last few bytes are empty within a controller memory range. then i'm writing through flash driver from RAM.&nbsp;</P><P>the data not get written in the location but some where above i written. can you please help me how to fix this</P><P>i'm trying to write in 0x47FD8 address 8 bytes of data (0x4C544253 0xFFFFFFFF)</P><P>but some random data written in the 0x47FF80 location.</P><P>can you please confirm any issue in the flash unprotect register which i'm doing is correct</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Yellow_2-1767370588714.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/371625iBE1D3F2499B2EEF3/image-size/medium?v=v2&amp;px=400" role="button" title="Yellow_2-1767370588714.png" alt="Yellow_2-1767370588714.png" /></span></P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Yellow_0-1767370561800.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/371623i4714D3AA330439F2/image-size/medium?v=v2&amp;px=400" role="button" title="Yellow_0-1767370561800.png" alt="Yellow_0-1767370561800.png" /></span></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Yellow_1-1767370576311.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/371624i2A79225DFA35AF9F/image-size/medium?v=v2&amp;px=400" role="button" title="Yellow_1-1767370576311.png" alt="Yellow_1-1767370576311.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P> Fri, 02 Jan 2026 16:18:14 GMT https://community.nxp.com/t5/S32K/Flash-Write-in-the-last-sector/m-p/2270814#M55831 Yellow 2026-01-02T16:18:14Z https://community.nxp.com/t5/S32K/Flash-Write-in-the-last-sector/m-p/2288711#M55888 <P>Could you specify used device?</P> Tue, 06 Jan 2026 09:31:22 GMT https://community.nxp.com/t5/S32K/Flash-Write-in-the-last-sector/m-p/2288711#M55888 davidtosenovjan 2026-01-06T09:31:22Z