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Discussion Groups | TMS320C54x | DMA Synchronization Events

Technical discussions about the TI C54x DSPs (including the c5401, c5402, c5402a, c5404, c5407, c5409, c5409a, c5410, c5410a, c5416, c5420, c5421, c5441, c549, c5470 and c5471).

  

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DMA Synchronization Events - chris_pruftian - Jun 4 13:17:00 2003

Hi

I am using "External Interrupt 3" as a DMA synchronization event in a
C5416 DSP. The source and destination addresses are in internal data
memory and I/O space respectively.
The problem is that the first event initiates element transfers and
the DMA channel doesn't wait for the occurrence of the other events.
When both the source and destination addresses are in internal data
memory I haven't seen this problem and each element transfer waits
for the occurrence of a new event.

Thanks,
Chris


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