Is it possible to use DMA for both I2C0 and I2C3 simultaneosly on Kinetis MK66?

[mikebez]

Hi :smileyhappy:

Screenshot from the Reference Manual (K66P144M180SF5RMV2, Rev. 3, 04/2017, page 474):

[jorge_a_vazquez · Accepted solution]

Hi mikebez 

If you are using I2C0 and I2C3 with DMA enabled, it could cause unpredictable behavior, because if a DMA request is triggered, you would not be able to know the true source of the DMA request (module 0 or 3). So, I wouldn't recommend enabling DMA support in both I2C modules.

Best regards

Jorge Alcala