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How to write Uart code in DMA mode?

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Surender Reddy

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Hi, I am using LPC1768, here i want to write code for uart communication in DMA mode.
What is the difference between writing the uart in polling mode and DMA mode?
In the datasheet it is given that LPC1768 uart supports DMA. What are the registers to access uart DMA? Please provide a basic DMA code,
it is helpful......
 
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