UART Transmit issue in S32K144 EVB

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UART Transmit issue in S32K144 EVB

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Sachinpatel
Contributor I

I am working on S32K144 EVB and i use UART.I am getting issue with UART transmit.

UART transmit working only once when my receiver MCU reboots.

 

My receiver MCU working fine every time when i am sending data through USB to TTL converter.

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Senlent
NXP TechSupport
NXP TechSupport

Hi@Sachinpatel

    Make sure the communication between S32K144EVB and PC is normal,then you can connect S32K144EVB to your receiver MCU.

 

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Sachinpatel
Contributor I

when i use USB to TTL converter for PC and s32k144 communication it work fine.

One thing i noticed is that the voltage on TX pin of s32k144 is 5v when no communication is happen.And i think that is creating issue for me.

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