S32K中的主题 RWW（read while write） https://community.nxp.com/t5/S32K/RWW-read-while-write/m-p/1063397#M7192 <HTML><HEAD></HEAD><BODY><P>hello，</P><P>how to test read and write function for S32k146 ?&nbsp; can you give me a demo code for this test?</P></BODY></HTML> Tue, 25 Aug 2020 03:29:59 GMT 814420552 2020-08-25T03:29:59Z RWW（read while write） https://community.nxp.com/t5/S32K/RWW-read-while-write/m-p/1063397#M7192 <HTML><HEAD></HEAD><BODY><P>hello，</P><P>how to test read and write function for S32k146 ?&nbsp; can you give me a demo code for this test?</P></BODY></HTML> Tue, 25 Aug 2020 03:29:59 GMT https://community.nxp.com/t5/S32K/RWW-read-while-write/m-p/1063397#M7192 814420552 2020-08-25T03:29:59Z Re: RWW（read while write） https://community.nxp.com/t5/S32K/RWW-read-while-write/m-p/1063398#M7193 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>For example, we can see that reading /executing code during an erase/write operation is not allowed on the same flash block in the RM rev 12.1</P><P></P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/111150iE5892250C5D103FA/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P>So, the program phrase functions and erase flash sector functions are a test of "simultaneous flash operations" itself because it cannot run in the same flash block which are being erased/programmed.</P><P>For example, in the attached simple test code, you can see these functions which are placed in RAM to avoid executing code/reading from the same flash block during write.</P><P></P><P>I hope it helps.</P><P>Best regards,</P><P>Diana</P></BODY></HTML> Wed, 26 Aug 2020 13:18:02 GMT https://community.nxp.com/t5/S32K/RWW-read-while-write/m-p/1063398#M7193 dianabatrlova 2020-08-26T13:18:02Z