46.8.6.7.2 DMA

It is mandatory to configure DMA channel size (byte, halfword or word) according to the FLEX_SPI_FMR.TXRDYM/RXRDYM configuration. See constraints in SPI Multiple Data Access.

As an example, when FIFO is enabled, FLEX_SPI_FMR.TXRDYM/RXRDYM=0 configuration is not compatible with DMAC_PDC transfers in word (32-bit).

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