topic Re: Who's got bigger priority CPU or DMA in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Who-s-got-bigger-priority-CPU-or-DMA/m-p/1020685#M56264 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>CPU will be hold until DMA finish.</P><P></P><P>Regards,</P><P>Jing</P></BODY></HTML> Fri, 08 Nov 2019 09:21:56 GMT jingpan 2019-11-08T09:21:56Z Who's got bigger priority CPU or DMA https://community.nxp.com/t5/Kinetis-Microcontrollers/Who-s-got-bigger-priority-CPU-or-DMA/m-p/1020684#M56263 <HTML><HEAD></HEAD><BODY><P>Let's assume DMA is currently transfering data and CPU needs bus to process next instructions, does CPU wait until DMA finishes or DMA somehow yields and let CPU run?</P></BODY></HTML> Thu, 07 Nov 2019 19:40:41 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Who-s-got-bigger-priority-CPU-or-DMA/m-p/1020684#M56263 errorek123 2019-11-07T19:40:41Z Re: Who's got bigger priority CPU or DMA https://community.nxp.com/t5/Kinetis-Microcontrollers/Who-s-got-bigger-priority-CPU-or-DMA/m-p/1020685#M56264 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>CPU will be hold until DMA finish.</P><P></P><P>Regards,</P><P>Jing</P></BODY></HTML> Fri, 08 Nov 2019 09:21:56 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Who-s-got-bigger-priority-CPU-or-DMA/m-p/1020685#M56264 jingpan 2019-11-08T09:21:56Z