https://community.nxp.com/t5/MPC5xxx/Where-memory-regions-of-ram-in-fec-and-dspi-defined-in-mpc5777c/m-p/1643671#M23504 <P>It is not explicitly mentioned as memory mapped RAM as its purpose is not to use it as general purporse RAM.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="davidtosenovjan_2-1683123701269.png" style="width: 696px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/221549iCBB175166BD4C5A7/image-dimensions/696x517?v=v2" width="696" height="517" role="button" title="davidtosenovjan_2-1683123701269.png" alt="davidtosenovjan_2-1683123701269.png" /></span></P> <P>&nbsp;</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="davidtosenovjan_1-1683123670619.png" style="width: 658px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/221548iC3348A5AD44CC950/image-dimensions/658x508?v=v2" width="658" height="508" role="button" title="davidtosenovjan_1-1683123670619.png" alt="davidtosenovjan_1-1683123670619.png" /></span></P> <P>&nbsp;</P> Wed, 03 May 2023 14:31:09 GMT davidtosenovjan 2023-05-03T14:31:09Z https://community.nxp.com/t5/MPC5xxx/Where-memory-regions-of-ram-in-fec-and-dspi-defined-in-mpc5777c/m-p/1643344#M23493 <P>DSPI does not have any embedded RAM region.</P><P>FEC MIB RAM is small memory ampped area 0xFFF4_C200h–0xFFF4_C3FFh and it can only be accessed by 32-bit.</P><P>FEC FIFO RAM does not seems to be possible to access directly.</P><P>That fec mib ram region where does it defined in the reference manual</P><P>Br,</P><P>Indra&nbsp;</P> Wed, 03 May 2023 01:39:26 GMT https://community.nxp.com/t5/MPC5xxx/Where-memory-regions-of-ram-in-fec-and-dspi-defined-in-mpc5777c/m-p/1643344#M23493 Indra 2023-05-03T01:39:26Z https://community.nxp.com/t5/MPC5xxx/Where-memory-regions-of-ram-in-fec-and-dspi-defined-in-mpc5777c/m-p/1643671#M23504 <P>It is not explicitly mentioned as memory mapped RAM as its purpose is not to use it as general purporse RAM.</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="davidtosenovjan_2-1683123701269.png" style="width: 696px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/221549iCBB175166BD4C5A7/image-dimensions/696x517?v=v2" width="696" height="517" role="button" title="davidtosenovjan_2-1683123701269.png" alt="davidtosenovjan_2-1683123701269.png" /></span></P> <P>&nbsp;</P> <P>&nbsp;</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="davidtosenovjan_1-1683123670619.png" style="width: 658px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/221548iC3348A5AD44CC950/image-dimensions/658x508?v=v2" width="658" height="508" role="button" title="davidtosenovjan_1-1683123670619.png" alt="davidtosenovjan_1-1683123670619.png" /></span></P> <P>&nbsp;</P> Wed, 03 May 2023 14:31:09 GMT https://community.nxp.com/t5/MPC5xxx/Where-memory-regions-of-ram-in-fec-and-dspi-defined-in-mpc5777c/m-p/1643671#M23504 davidtosenovjan 2023-05-03T14:31:09Z