topic How to use UART2 and FlexIO UART at the same time? in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-use-UART2-and-FlexIO-UART-at-the-same-time/m-p/1211510#M59336 <P>Hello, everyone</P><P>Kinetis KL17's UART2 and FlexIO UART share the same one interrupt and IRQ: UART2_FLEXIO_IRQHandler.</P><P>Is it possible for one project to use these two part at the same time?</P><P>For UART 2,&nbsp;UART2_FLEXIO_IRQHandler means UART_TransferHandleIRQ</P><P>For Flex IO,&nbsp;UART2_FLEXIO_IRQHandler means&nbsp;UART2_FLEXIO_DriverIRQHandler() and&nbsp;FLEXIO_CommonIRQHandler</P><P>I think they conflict at this point.</P><P>How to fix this issue, please?</P><P>Tks so much!!!</P><P>&nbsp;</P> Thu, 14 Jan 2021 05:57:14 GMT YeelongWong 2021-01-14T05:57:14Z How to use UART2 and FlexIO UART at the same time? https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-use-UART2-and-FlexIO-UART-at-the-same-time/m-p/1211510#M59336 <P>Hello, everyone</P><P>Kinetis KL17's UART2 and FlexIO UART share the same one interrupt and IRQ: UART2_FLEXIO_IRQHandler.</P><P>Is it possible for one project to use these two part at the same time?</P><P>For UART 2,&nbsp;UART2_FLEXIO_IRQHandler means UART_TransferHandleIRQ</P><P>For Flex IO,&nbsp;UART2_FLEXIO_IRQHandler means&nbsp;UART2_FLEXIO_DriverIRQHandler() and&nbsp;FLEXIO_CommonIRQHandler</P><P>I think they conflict at this point.</P><P>How to fix this issue, please?</P><P>Tks so much!!!</P><P>&nbsp;</P> Thu, 14 Jan 2021 05:57:14 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-use-UART2-and-FlexIO-UART-at-the-same-time/m-p/1211510#M59336 YeelongWong 2021-01-14T05:57:14Z Re: How to use UART2 and FlexIO UART at the same time? https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-use-UART2-and-FlexIO-UART-at-the-same-time/m-p/1211785#M59338 <P>Examine the status register of each module to see which one is active then go that route.<BR /><BR />Clearly whom ever designed this chip had no concept of writing software for it. <LI-EMOJI id="lia_disappointed-face" title=":disappointed_face:"></LI-EMOJI><BR />Such as "Separation of Concerns"...<BR /><BR /><BR />The combined PORTC and PORTD IRQ are a similar mess.&nbsp;<BR /><BR /><BR /></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 14 Jan 2021 13:59:31 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/How-to-use-UART2-and-FlexIO-UART-at-the-same-time/m-p/1211785#M59338 bobpaddock 2021-01-14T13:59:31Z