Uart Buad Rate Error of LPC55xx

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Uart Buad Rate Error of LPC55xx

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rahul_4
Contributor II

Hi,

UART Baud Rate error and is not defined in the datasheet. Can you please tell me, what is the Uart buad rate error in LPC55xx series?

Thanks,

Rahul

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Miguel04
NXP TechSupport
NXP TechSupport

Hi @rahul_4 

I'm not able to understand completely what are you refering to.

Is it possible for you to provide a more detailed explanation to look for the correct answer please?

Best Regards, Miguel.

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rahul_4
Contributor II

Hi Miguel,

If the selected UART Baud Rate is 9600, what is the error percentage in the output? Is it within +-1% or +-3%?

For +-1% it will be -> 9504 to 9696 baud rate

Thanks,
Rahul

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Miguel04
NXP TechSupport
NXP TechSupport

Hi @rahul_4 

There isn't a specification about a deviation on the baudrates generated for the uart. The baudrate deviation could be affected by the precision of the clock.

Best Regards, Miguel.

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