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Host DMA Ports

Category: Software
Software Version: cces 2.12.0
Hi,
   Currently I am working on the 24GHz Radar. In that BF548 processor and ADAR7251(ADC) is used.
   The ADAR7251 is configured in PPI nibble mode(4 channels). It is connected with portD(8,9,10,11) of the BF548. In datasheet portD supports Host DMA.
   I have to capture the ADC data with BF548 processor in Host DMA mode.  How to do this and give me the c coding also because it will give helpful for me to complete my project. 
   Kindly provide the solution in advance.
Thanks.
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