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Discussion Groups | Analog Devices DSPs | Blackfin BF537: SDRAM + MDMA problem

Technical discussions related to Analog Devices DSPs (including Blackfin, TigerSHARC, SHARC and ADSP-21xx DSPs).

  

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Blackfin BF537: SDRAM + MDMA problem - jkh_cz - Jun 19 22:52:47 2006



I've problem with SDRAM write in parallel with SDRAM MDMA transfer -
MDMA transfer invokes DMA error. Is that an anomalie or is something
wrong with me? I've tried many combinations of relating registers
without succes. I need to start urgent MDMA transfer but I need to be
able to continue in main program in parallel with MDMA transfer. Main
program should write to SDRAM in that time. Can you help me?

processor: Blackfin ADSP-BF537 (EZ-KIT Lite) rev. 0.2, VisualDSP++ 4.5

Thanks

JkH


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