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cmsis_dspi_edma_transfer CS is pulled up during each byte

Question asked by Kevin Yu on Jun 3, 2018
Latest reply on Jun 6, 2018 by Kevin Yu

Hi all,


I compile and run the cmsis_dspi_edma_transfer example with my NXP MK64FN1M0VLQ12.

One issue is found that CS becomes high after sending each bytes of data over SPI.


While using other examples, such as edma_b2b_transfer, or dspi_interrupt, everything works fine.

No clue about where and why the CS was pulled up during each bytes.