Mark Sheahan

DMA Bus errors when reading from ADC

Discussion created by Mark Sheahan on Dec 13, 2006
Latest reply on Sep 13, 2012 by maximevincent
I am trying to read from the ADC at 500KHz, and store it in a buffer. Interrupts weren't fast enough, so I want to use DMA to move data from the ADC result registers into the buffer. There is a bus error on source when reading from the ADC result registers. What might be causing this?

The device is a MCF52235.

Thanks in advance,