topic Re: Flash operration in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/Flash-operration/m-p/1082838#M57580 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>Flash write times can be found in the data sheet. However they vary between chips and change with age and so can not be considered to be a fixed value - instead you need to consider the maximum value that is given.</P><P></P><P>In HSRUN mode flash operations are not possible - they are blocked. I don't know the physical reasons for this.</P><P></P><P>Regards</P><P></P><P>Mark</P><P><EM>[uTasker project developer for Kinetis and i.MX RT]</EM></P></BODY></HTML> Fri, 29 May 2020 12:45:01 GMT mjbcswitzerland 2020-05-29T12:45:01Z Flash operration https://community.nxp.com/t5/Kinetis-Microcontrollers/Flash-operration/m-p/1082837#M57579 <HTML><HEAD></HEAD><BODY><P>How to calculate the FLASH writing time of MKV3x serious microcontroller? The formula for that. Why is it not working in high speed mode?</P></BODY></HTML> Thu, 28 May 2020 11:30:15 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Flash-operration/m-p/1082837#M57579 kalaimaniarumug 2020-05-28T11:30:15Z Re: Flash operration https://community.nxp.com/t5/Kinetis-Microcontrollers/Flash-operration/m-p/1082838#M57580 <HTML><HEAD></HEAD><BODY><P>Hi</P><P></P><P>Flash write times can be found in the data sheet. However they vary between chips and change with age and so can not be considered to be a fixed value - instead you need to consider the maximum value that is given.</P><P></P><P>In HSRUN mode flash operations are not possible - they are blocked. I don't know the physical reasons for this.</P><P></P><P>Regards</P><P></P><P>Mark</P><P><EM>[uTasker project developer for Kinetis and i.MX RT]</EM></P></BODY></HTML> Fri, 29 May 2020 12:45:01 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Flash-operration/m-p/1082838#M57580 mjbcswitzerland 2020-05-29T12:45:01Z Re: Flash operration https://community.nxp.com/t5/Kinetis-Microcontrollers/Flash-operration/m-p/1082839#M57581 <HTML><HEAD></HEAD><BODY><P>Some Flash technologies are slow compared to the reset of a given architecture, so various work arounds are implemented, copy to RAM and run from there, wait states, don't allow&nbsp; etc.</P><P></P><P><A class="link-titled" href="https://www.renesas.com/us/en/" title="https://www.renesas.com/us/en/">https://www.renesas.com/us/en/</A>&nbsp;&nbsp;Rx parts have a faster Flash technology than most other implementations, so don't run into until a lot higher frequencies.<BR /><BR /></P></BODY></HTML> Fri, 29 May 2020 12:57:20 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/Flash-operration/m-p/1082839#M57581 bobpaddock 2020-05-29T12:57:20Z