https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-with-TJA1145ATK-FD-SPI-Connection/m-p/2144776#M58592 <P>Hello djg8623</P> <P>Yes, but not specifically focused on the LPC54S018, the application note we have describes important considerations and connections between the TJA and a microcontroller.</P> <P>Please take a look to:</P> <P>TJA1145A Application-Hints</P> <P>You can find it on our official website, scroll down to documents and select “secure files.”</P> <P><A href="https://www.nxp.com/products/interfaces/can-transceivers/can-with-flexible-data-rate/high-speed-can-transceiver-with-partial-networking-can-fd-data-rates-up-to-5-mbit-s:TJA1145A" target="_blank">TJA1145A</A></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="RafaR_0-1754002609918.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/350533iA024AAE6DE9E4C9E/image-size/medium?v=v2&amp;px=400" role="button" title="RafaR_0-1754002609918.png" alt="RafaR_0-1754002609918.png" /></span></P> <P>&nbsp;</P> <P>You will need to have a valid NDA with us to access secure files. If you don't have one, please open a ticket with us requesting an NDA to be signed. It will be assigned to the appropriate team, and you can continue with the process.</P> <P>I hope this information has helped you, please let me know if you need help with anything else.</P> <P>Have a great day and best of luck.</P> Thu, 31 Jul 2025 22:57:59 GMT RafaR 2025-07-31T22:57:59Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-with-TJA1145ATK-FD-SPI-Connection/m-p/2144598#M58591 <P>Hi,<BR /><BR />We are trying to test CAN functionality on a custom board and our MCU is a&nbsp;LPC54S018 and our CAN Transceiver is a&nbsp;TJA1145ATK/FD.<BR /><BR />Currently we are having issues with getting the SPI connection to work and are unable to read back the device ID.<BR /><BR />Is there a guide or example using this transceiver so I can make sure I am hitting all of the steps?</P> Thu, 31 Jul 2025 14:32:44 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-with-TJA1145ATK-FD-SPI-Connection/m-p/2144598#M58591 djg8623 2025-07-31T14:32:44Z https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-with-TJA1145ATK-FD-SPI-Connection/m-p/2144776#M58592 <P>Hello djg8623</P> <P>Yes, but not specifically focused on the LPC54S018, the application note we have describes important considerations and connections between the TJA and a microcontroller.</P> <P>Please take a look to:</P> <P>TJA1145A Application-Hints</P> <P>You can find it on our official website, scroll down to documents and select “secure files.”</P> <P><A href="https://www.nxp.com/products/interfaces/can-transceivers/can-with-flexible-data-rate/high-speed-can-transceiver-with-partial-networking-can-fd-data-rates-up-to-5-mbit-s:TJA1145A" target="_blank">TJA1145A</A></P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="RafaR_0-1754002609918.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/350533iA024AAE6DE9E4C9E/image-size/medium?v=v2&amp;px=400" role="button" title="RafaR_0-1754002609918.png" alt="RafaR_0-1754002609918.png" /></span></P> <P>&nbsp;</P> <P>You will need to have a valid NDA with us to access secure files. If you don't have one, please open a ticket with us requesting an NDA to be signed. It will be assigned to the appropriate team, and you can continue with the process.</P> <P>I hope this information has helped you, please let me know if you need help with anything else.</P> <P>Have a great day and best of luck.</P> Thu, 31 Jul 2025 22:57:59 GMT https://community.nxp.com/t5/LPC-Microcontrollers/LPC54S018-with-TJA1145ATK-FD-SPI-Connection/m-p/2144776#M58592 RafaR 2025-07-31T22:57:59Z