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MSP430F5659: Different CRC value using DMA Block Transfer and Burst-Block Transfer modes

Part Number: MSP430F5659

Successfully computed CRC value using Block Transfer DMA mode, but when changing to using Burst-Block DMA mode then an incorrect value is computed. Only difference in code is a change in the  DMADT value from 5 to 6 (or 7) in the DAM4CTL register. Using DMA channel 4. Does the DMA buffer size have to be a multiple of 4?

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