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KL82Z LPUART2 Configuration

Question asked by Audrey Hendon on Jun 29, 2018
Latest reply on Jun 29, 2018 by Mark Butcher

I am having some trouble getting LPUART2 to work on the FRDM-KL82Z EVK.

 

LPUART0 and LPUART1 are working, however, when i moved over to use LPUART2 I am unable to send or receive any uart data. 

 

I am using PTD3 for TX and PTD2 for RX, both configured in alt. mux mode 3.

 

Looking through the KL82 Sub-Family Reference Manual, the LPUART2 peripheral uses the INTMUX0 IRQ. Adding the following initialization lines did not seem to correct the problem:

 

 

Is there another step I am missing to configure LPUART2?

 

Thank you

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