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STM32F407 DMA dual circular buffer contention

Question asked by ken on Jan 25, 2013
I am acquiring data into one circular buffer while analyzing the data in the other buffer.
The ADC switches back and forth between the two buffers.
Do the two buffers have to be in separate memory blocks (0x20000000 and 0x2001C000) to avoid memory contention or is it ok for both to be in the same block?