https://community.nxp.com/t5/MPC5xxx/MCP5674F-Flash-Eraser-or-Program/m-p/1653664#M23634 <P>I'm not sure if I understand you.</P> <P>Erased flash block is read as all FFs, correctly programmed data you may check reading as well i.e. perform verify operation.</P> Fri, 19 May 2023 08:30:37 GMT davidtosenovjan 2023-05-19T08:30:37Z https://community.nxp.com/t5/MPC5xxx/MCP5674F-Flash-Eraser-or-Program/m-p/1652766#M23619 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="pyi285_0-1684386291287.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/223713i906AA384C1F043DF/image-size/medium?v=v2&amp;px=400" role="button" title="pyi285_0-1684386291287.png" alt="pyi285_0-1684386291287.png" /></span></P><P>As shown in the picture above, this is the code that the program is trying to erase the internal flash, but the problem is that it has been erased correctly and it cannot be proven that it is the code that can be programmed correctly.<BR />Or, how is it good to read or bring the contents stored in the flash? In the future, we plan to receive the data received through serial communication, store it in the flash, and run the bootloader.</P><P># SCP5674F #Bootloader #Flash # Program # Eraser</P><P>&nbsp;</P> Thu, 18 May 2023 05:08:10 GMT https://community.nxp.com/t5/MPC5xxx/MCP5674F-Flash-Eraser-or-Program/m-p/1652766#M23619 pyi285 2023-05-18T05:08:10Z https://community.nxp.com/t5/MPC5xxx/MCP5674F-Flash-Eraser-or-Program/m-p/1653664#M23634 <P>I'm not sure if I understand you.</P> <P>Erased flash block is read as all FFs, correctly programmed data you may check reading as well i.e. perform verify operation.</P> Fri, 19 May 2023 08:30:37 GMT https://community.nxp.com/t5/MPC5xxx/MCP5674F-Flash-Eraser-or-Program/m-p/1653664#M23634 davidtosenovjan 2023-05-19T08:30:37Z