I want to run uart2 on MXCX243(48 pin) over one pin(rx and tx) which is i/o pin, what is hardware aspect for this because there is no development board available only MCU is available
Hello @ravicha
Please refer to the schematic for FRDM - MCXC242 or FRDM - MCXC444.
https://www.nxp.com/design/design-center/development-boards-and-designs/FRDM-MCXC242
https://www.nxp.com/design/design-center/development-boards-and-designs/FRDM-MCXC444
BR
Alice