https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489785#M2532 <HTML><HEAD></HEAD><BODY><P>Hi Lukas,</P><P></P><P>The safety manual of MPC5744P doesn't have the explanation for the pattern test of DMA.</P><P>Anyway, thanks for your reply! </P></BODY></HTML> Wed, 04 May 2016 01:17:21 GMT shawnzhao 2016-05-04T01:17:21Z https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489782#M2529 <HTML><HEAD></HEAD><BODY><P>For the safety functon, for the Core module it request to do software functional DMA test. It said "This is a software solution. Application engineers are asked to periodically execute Self Test pattern to test the DMA functionality". Who could help to tell us how to do this test?</P><P>Below picture come from FMEDA_MPC5744P_Core_Example_rev_3_6_2.xlsx, it listed this safety measure.</P><P>Thanks!</P><P><span class="lia-inline-image-display-wrapper" image-alt="148267_148267.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/121515iEECA8B3FD4FE7F01/image-size/large?v=v2&amp;px=999" role="button" title="148267_148267.png" alt="148267_148267.png" /></span><span class="lia-inline-image-display-wrapper" image-alt="DMA functional test.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/28743i15216E397C635963/image-size/large?v=v2&amp;px=999" role="button" title="DMA functional test.png" alt="DMA functional test.png" /></span></P></BODY></HTML> Fri, 29 Apr 2016 08:27:07 GMT https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489782#M2529 shawnzhao 2016-04-29T08:27:07Z https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489783#M2530 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>I have asked safety experts. I will let you know later...</P><P>Lukas</P></BODY></HTML> Mon, 02 May 2016 11:07:30 GMT https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489783#M2530 lukaszadrapa 2016-05-02T11:07:30Z https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489784#M2531 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>the thing is that the FMEDA document is always customer and his application specific. I would recommend to ask author of this document for hints.</P><P>By the way, there are some implementation hints for the DMA in the Safety manual:</P><P><A href="http://www.nxp.com/files/microcontrollers/doc/ref_manual/MPC5744PSM.pdf">http://www.nxp.com/files/microcontrollers/doc/ref_manual/MPC5744PSM.pdf</A></P><P>See the chapter 5.6.7, page 76. </P><P>Regards,</P><P>Lukas</P></BODY></HTML> Tue, 03 May 2016 05:35:20 GMT https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489784#M2531 lukaszadrapa 2016-05-03T05:35:20Z https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489785#M2532 <HTML><HEAD></HEAD><BODY><P>Hi Lukas,</P><P></P><P>The safety manual of MPC5744P doesn't have the explanation for the pattern test of DMA.</P><P>Anyway, thanks for your reply! </P></BODY></HTML> Wed, 04 May 2016 01:17:21 GMT https://community.nxp.com/t5/MPC5xxx/MPC5744P-Software-Functional-DMA-test/m-p/489785#M2532 shawnzhao 2016-05-04T01:17:21Z