topic Re: How can I reduce the time between byte to byte when use spi tx ? in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/How-can-I-reduce-the-time-between-byte-to-byte-when-use-spi-tx/m-p/617336#M93482 <HTML><HEAD></HEAD><BODY><P>Hi </P><P></P><P>please try to use bursts, please check description register&nbsp; ECSPIx_CONREG field</P><P>BURST_LENGTH in sect.20.7.3 Control Register (ECSPIx_CONREG)</P><P>i.MX6UL Reference Manual </P><P><A href="http://cache.freescale.com/files/32bit/doc/ref_manual/IMX6ULRM.pdf">http://cache.freescale.com/files/32bit/doc/ref_manual/IMX6ULRM.pdf</A></P><P>If possible increase clock frequency, max. is defined in sect.4.12.2 ECSPI timing parameters i.MX6UL Datasheet </P><P><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fcache.freescale.com%2Ffiles%2F32bit%2Fdoc%2Fdata_sheet%2FIMX6ULCEC.pdf" rel="nofollow" target="_blank">http://cache.freescale.com/files/32bit/doc/data_sheet/IMX6ULCEC.pdf</A></P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sun, 26 Mar 2017 23:29:16 GMT igorpadykov 2017-03-26T23:29:16Z How can I reduce the time between byte to byte when use spi tx ? https://community.nxp.com/t5/i-MX-Processors/How-can-I-reduce-the-time-between-byte-to-byte-when-use-spi-tx/m-p/617335#M93481 <HTML><HEAD></HEAD><BODY><P>How can I reduce the time between byte to byte when use spi tx ?</P><P>I'm now using kernel version linux-4.1.15.The hardware is I.MX6UL-EVK board.</P></BODY></HTML> Sat, 25 Mar 2017 14:46:49 GMT https://community.nxp.com/t5/i-MX-Processors/How-can-I-reduce-the-time-between-byte-to-byte-when-use-spi-tx/m-p/617335#M93481 浩卢 2017-03-25T14:46:49Z Re: How can I reduce the time between byte to byte when use spi tx ? https://community.nxp.com/t5/i-MX-Processors/How-can-I-reduce-the-time-between-byte-to-byte-when-use-spi-tx/m-p/617336#M93482 <HTML><HEAD></HEAD><BODY><P>Hi </P><P></P><P>please try to use bursts, please check description register&nbsp; ECSPIx_CONREG field</P><P>BURST_LENGTH in sect.20.7.3 Control Register (ECSPIx_CONREG)</P><P>i.MX6UL Reference Manual </P><P><A href="http://cache.freescale.com/files/32bit/doc/ref_manual/IMX6ULRM.pdf">http://cache.freescale.com/files/32bit/doc/ref_manual/IMX6ULRM.pdf</A></P><P>If possible increase clock frequency, max. is defined in sect.4.12.2 ECSPI timing parameters i.MX6UL Datasheet </P><P><A class="jive-link-external-small" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fcache.freescale.com%2Ffiles%2F32bit%2Fdoc%2Fdata_sheet%2FIMX6ULCEC.pdf" rel="nofollow" target="_blank">http://cache.freescale.com/files/32bit/doc/data_sheet/IMX6ULCEC.pdf</A></P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Sun, 26 Mar 2017 23:29:16 GMT https://community.nxp.com/t5/i-MX-Processors/How-can-I-reduce-the-time-between-byte-to-byte-when-use-spi-tx/m-p/617336#M93482 igorpadykov 2017-03-26T23:29:16Z