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LPC54110 DMA Channel Chaining

Question asked by Peter Furtner Employee on May 10, 2017
Latest reply on May 16, 2017 by Carlos_Mendoza

Our customer SICK wants to use Channel Chaining with the DMA on the LPC54102.

In his configuration DMA Channel 12 services the ADC and writes ADC data into memory. DMA Channel 12 then generates a trigger (via Channel Chaining) for DMA Channel 13, after he has finished writing his block of data into memory. DMA Channel 13 then transfers the data into another block and triggers DMA Channel 1 (UART DMA) after completion of the transfer.


Everything works fine as long as he is in Debug Mode. When he now  disconnects the Debuger from the System his Software is not working anymore.

What may this be.

Many thanks