LPC MicrocontrollersのトピックRe: LPC55S69 : MPU protection address range https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-MPU-protection-address-range/m-p/983277#M38798 <HTML><HEAD></HEAD><BODY><P>Hi&nbsp;<SPAN style="color: #51626f; background-color: #ffffff;">Eugene</SPAN></P><SPAN> </SPAN><P>memory security is decided by SAU and IDAU together. By default all memory is set to secure. however user can configure it. I recommend you read this article to understand trustzone memory regions. if any question after read it, please contact me again.</P><SPAN> </SPAN><P><A href="https://community.nxp.com/docs/DOC-343506">TrustZone on the LPC55S6x</A>&nbsp;</P><SPAN> </SPAN><P></P><SPAN> </SPAN><P><BR />Have a great day,<BR />Jun Zhang</P><SPAN> </SPAN><P></P><SPAN> </SPAN><P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P><SPAN> </SPAN><P></P><SPAN> </SPAN><P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR /> Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P></BODY></HTML> Thu, 31 Oct 2019 09:00:56 GMT ZhangJennie 2019-10-31T09:00:56Z LPC55S69 : MPU protection address range https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-MPU-protection-address-range/m-p/983276#M38797 <HTML><HEAD></HEAD><BODY><P>Hello !</P><P></P><P>It is not so clear what kind of address range is covered by nonsecure and secure MPUs.</P><P></P><P>Can it cover only regular memory areas e.g RAM,ROM, Flash memory or also&nbsp;</P><P>AHB peripherals ?</P><P></P><P>I need to limit access to peripherals in Nonsecure, Nonprivileged mode and think how I can do it.</P><P></P><P>Regards,</P><P>Eugene</P></BODY></HTML> Wed, 30 Oct 2019 09:19:14 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-MPU-protection-address-range/m-p/983276#M38797 EugeneHiihtaja 2019-10-30T09:19:14Z Re: LPC55S69 : MPU protection address range https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-MPU-protection-address-range/m-p/983277#M38798 <HTML><HEAD></HEAD><BODY><P>Hi&nbsp;<SPAN style="color: #51626f; background-color: #ffffff;">Eugene</SPAN></P><SPAN> </SPAN><P>memory security is decided by SAU and IDAU together. By default all memory is set to secure. however user can configure it. I recommend you read this article to understand trustzone memory regions. if any question after read it, please contact me again.</P><SPAN> </SPAN><P><A href="https://community.nxp.com/docs/DOC-343506">TrustZone on the LPC55S6x</A>&nbsp;</P><SPAN> </SPAN><P></P><SPAN> </SPAN><P><BR />Have a great day,<BR />Jun Zhang</P><SPAN> </SPAN><P></P><SPAN> </SPAN><P>-------------------------------------------------------------------------------<BR />Note:<BR />- If this post answers your question, please click the "Mark Correct" button. Thank you!</P><SPAN> </SPAN><P></P><SPAN> </SPAN><P>- We are following threads for 7 weeks after the last post, later replies are ignored<BR /> Please open a new thread and refer to the closed one, if you have a related question at a later point in time.<BR />-------------------------------------------------------------------------------</P></BODY></HTML> Thu, 31 Oct 2019 09:00:56 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC55S69-MPU-protection-address-range/m-p/983277#M38798 ZhangJennie 2019-10-31T09:00:56Z