Kinetis MicrocontrollersのトピックRe: MKE04Z128VLK4 SPI Fan-out https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909183#M53308 <HTML><HEAD></HEAD><BODY><P>Hi Ryutaro:</P><P></P><P>MKE04Z128VLK4 contains two SPI modules that support 8-bit data length.</P><P>For the limited pin source, only can connect 2 slaves.&nbsp; If you need to support 8 slaves, you need to use GPIO to simulate CS.</P><P></P><P>Regards</P><P>Daniel</P></BODY></HTML> Wed, 11 Sep 2019 07:50:28 GMT danielchen 2019-09-11T07:50:28Z MKE04Z128VLK4 SPI Fan-out https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909182#M53307 <HTML><HEAD></HEAD><BODY><P>What is the fanout of MKE04Z128VLK4 SPI port?</P><P>How many slaves can be connected to the SPI port?</P><P></P><P>I would like to connect 8 slaves to the SPI port.</P><P></P><P>Best regards,</P><P></P><P>#MKE04Z128VLK4</P></BODY></HTML> Wed, 11 Sep 2019 04:41:00 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909182#M53307 bon 2019-09-11T04:41:00Z Re: MKE04Z128VLK4 SPI Fan-out https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909183#M53308 <HTML><HEAD></HEAD><BODY><P>Hi Ryutaro:</P><P></P><P>MKE04Z128VLK4 contains two SPI modules that support 8-bit data length.</P><P>For the limited pin source, only can connect 2 slaves.&nbsp; If you need to support 8 slaves, you need to use GPIO to simulate CS.</P><P></P><P>Regards</P><P>Daniel</P></BODY></HTML> Wed, 11 Sep 2019 07:50:28 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909183#M53308 danielchen 2019-09-11T07:50:28Z Re: MKE04Z128VLK4 SPI Fan-out https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909184#M53309 <HTML><HEAD></HEAD><BODY><P>Dear Daniel,</P><P></P><P><SPAN class="" lang="en"><SPAN class="" title="">Thank you for your reply.</SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title=""></SPAN></SPAN><SPAN class="" lang="en"><SPAN class="" title="">I would like to connect 8 slaves to one SPI port.</SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title="">I'm worried about fan out by connecting 8 slaves to one port.</SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title="">A circuit diagram is attached.</SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title="">The CS pin is simulated with GPIO.</SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title=""></SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title="">Best regards,</SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title="">Ryutaro</SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title=""></SPAN></SPAN></P><P><SPAN class="" lang="en"><SPAN class="" title=""></SPAN></SPAN></P><P><span class="lia-inline-image-display-wrapper" image-alt="新規 Microsoft PowerPoint プレゼンテーション.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/81037i738EB93F24EFAB43/image-size/large?v=v2&amp;px=999" role="button" title="新規 Microsoft PowerPoint プレゼンテーション.png" alt="新規 Microsoft PowerPoint プレゼンテーション.png" /></span></P></BODY></HTML> Wed, 11 Sep 2019 08:37:14 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909184#M53309 bon 2019-09-11T08:37:14Z Re: MKE04Z128VLK4 SPI Fan-out https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909185#M53310 <HTML><HEAD></HEAD><BODY><P>It is OK to connect 8 slaves to one SPI port.</P><P></P><P>Regards</P><P>Daniel</P></BODY></HTML> Thu, 12 Sep 2019 01:01:15 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/MKE04Z128VLK4-SPI-Fan-out/m-p/909185#M53310 danielchen 2019-09-12T01:01:15Z