I use the chip MK22FX512VLL12.
I wanna know if the chip support 16bytes(line) burst model?
Referring to the reference manual, line transfers are not possible from Cortex-M4 core.
Is it true?
Dear heng wu,
Yes it does in fact there is a document and some examples created by our friend Carlos_Musich. I will attach them if you have more questions please let me know.
have a great day.
Thank you for your reply.
After reading the example，I understand that the K22 chip can realize 16 bytes burst model with the help of DMA .
Is it right？
HI heng wu,
you are right.
I want to do as follows.
The source address of the eDMA is the address of the 16bytes that is written to external MRAM.
The destination address of eDMA is the MRAM address.
After configuring the eDMA and flexbus, first do the busrt write then do the eDMA request via software .
Is there someting wrong in this method ?
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