https://community.nxp.com/t5/LPC-Microcontrollers/LPC55-On-chip-ROM-boot-via-CAN-FD/m-p/1223546#M43783 <P>The LPC55x series has a nice built-in bootloader in ROM, but I wonder if there are any ways to achieve rom-booting via CAN bus? (CAN-FD to be specific)</P><P>It's not listed as a valid boot peripheral in the datasheet, but I'm thinking if we could re-configure or wire the can pins in parallel to standard UART and use a fall-back mechanism so that the "Host" can detect we're not in CAN mode, run the boot-strap process, and then switch back to CAN FD.</P><P>&nbsp;</P><P>Thoughts?</P> Sat, 30 Jan 2021 11:57:40 GMT dav1 2021-01-30T11:57:40Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC55-On-chip-ROM-boot-via-CAN-FD/m-p/1223546#M43783 <P>The LPC55x series has a nice built-in bootloader in ROM, but I wonder if there are any ways to achieve rom-booting via CAN bus? (CAN-FD to be specific)</P><P>It's not listed as a valid boot peripheral in the datasheet, but I'm thinking if we could re-configure or wire the can pins in parallel to standard UART and use a fall-back mechanism so that the "Host" can detect we're not in CAN mode, run the boot-strap process, and then switch back to CAN FD.</P><P>&nbsp;</P><P>Thoughts?</P> Sat, 30 Jan 2021 11:57:40 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55-On-chip-ROM-boot-via-CAN-FD/m-p/1223546#M43783 dav1 2021-01-30T11:57:40Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC55-On-chip-ROM-boot-via-CAN-FD/m-p/1223897#M43796 <P>Hello dav,</P> <P>Sorry, no, we have no method to change the code in ROM.</P> <P>You can development a Secondary bootloader for CAN-FD.</P> <P>&nbsp;</P> <P>Regards,</P> <P>Alice</P> Mon, 01 Feb 2021 08:26:38 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55-On-chip-ROM-boot-via-CAN-FD/m-p/1223897#M43796 Alice_Yang 2021-02-01T08:26:38Z