https://community.nxp.com/t5/S32K/S32K148-Flash-Sector-Erase/m-p/1298690#M11205 <P>Dear,</P><P>I have a question about the S32K148 flash sector erase.</P><P>In Bootloader, the address is from 0x00000000-0x0000FFFF. When I erase a sector, the address must be after 0x80000. If the address is before, erase failed.</P><P>&nbsp;</P><P>Can you help analysis?</P><P>Thank you!</P> Sun, 27 Jun 2021 02:54:47 GMT wanglijun 2021-06-27T02:54:47Z https://community.nxp.com/t5/S32K/S32K148-Flash-Sector-Erase/m-p/1298690#M11205 <P>Dear,</P><P>I have a question about the S32K148 flash sector erase.</P><P>In Bootloader, the address is from 0x00000000-0x0000FFFF. When I erase a sector, the address must be after 0x80000. If the address is before, erase failed.</P><P>&nbsp;</P><P>Can you help analysis?</P><P>Thank you!</P> Sun, 27 Jun 2021 02:54:47 GMT https://community.nxp.com/t5/S32K/S32K148-Flash-Sector-Erase/m-p/1298690#M11205 wanglijun 2021-06-27T02:54:47Z https://community.nxp.com/t5/S32K/S32K148-Flash-Sector-Erase/m-p/1298692#M11206 <P>S32148 PFlash has 3 Banks each of 512KB.</P><P>Read/Write is possible between different banks but not on same bank.</P><P>0x80000 is where Bank0 ends and Bank1 start, since your bootloader is part of Bank0, you cannot erase content on Bank0 directly but you can on Bank1.</P><P>To erase on Bank0, you need to disable interrupts while the erase operation is inprogress, as you cannot execute/read while erasing/writing.</P><P>&nbsp;</P><P>Hope that helps!</P> Sun, 27 Jun 2021 07:11:13 GMT https://community.nxp.com/t5/S32K/S32K148-Flash-Sector-Erase/m-p/1298692#M11206 Vijay_Arwapally 2021-06-27T07:11:13Z