https://community.nxp.com/t5/8-bit-Microcontrollers/MC9S08AC32-download-HEX-by-UART/m-p/1231227#M23279 <P>If the devices have already programmed a bootloader, then yes,</P> <P>Please check the application note AN2295</P> <P><A href="https://www.nxp.com/docs/en/application-note/AN2295.pdf" target="_blank">https://www.nxp.com/docs/en/application-note/AN2295.pdf</A></P> <P>Regards</P> <P>Vicente</P> Mon, 15 Feb 2021 23:59:03 GMT vicentegomez 2021-02-15T23:59:03Z https://community.nxp.com/t5/8-bit-Microcontrollers/MC9S08AC32-download-HEX-by-UART/m-p/1230713#M23277 <P>Hi,</P><P>Its possible programming or download HEX file using only UART? I have this MCU in my washing machine and I want make backup <LI-EMOJI id="lia_winking-face" title=":winking_face:"></LI-EMOJI> I know its silly but it hard buy module for this model&nbsp;</P> Sat, 13 Feb 2021 17:16:20 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/MC9S08AC32-download-HEX-by-UART/m-p/1230713#M23277 plasid2 2021-02-13T17:16:20Z https://community.nxp.com/t5/8-bit-Microcontrollers/MC9S08AC32-download-HEX-by-UART/m-p/1231227#M23279 <P>If the devices have already programmed a bootloader, then yes,</P> <P>Please check the application note AN2295</P> <P><A href="https://www.nxp.com/docs/en/application-note/AN2295.pdf" target="_blank">https://www.nxp.com/docs/en/application-note/AN2295.pdf</A></P> <P>Regards</P> <P>Vicente</P> Mon, 15 Feb 2021 23:59:03 GMT https://community.nxp.com/t5/8-bit-Microcontrollers/MC9S08AC32-download-HEX-by-UART/m-p/1231227#M23279 vicentegomez 2021-02-15T23:59:03Z