Does the MK22 support 16bytes(line) burst model

[hengwu]

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?

[Jonathan_Iglesias]

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.

BR

Jonathan

[hengwu]

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？

BR

Wu

[Jonathan_Iglesias]

HI heng wu,

you are right.

 BR 

Jonathan

[hengwu]

Hi,Jonathan Iglesias

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 ?