MC9S08AC32 download HEX by UART

[plasid2]

Hi,

Its possible programming or download HEX file using only UART? I have this MCU in my washing machine and I want make backup I know its silly but it hard buy module for this model 

[vicentegomez]

If the devices have already programmed a bootloader, then yes,

Please check the application note AN2295

https://www.nxp.com/docs/en/application-note/AN2295.pdf

Regards

Vicente