https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682353#M105431 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I have got SAI on i.MX6 and need to configure it properly in synchronous mode. There are two cases in sync mode:</P><P><STRONG>1. SAI transmitter synchronous with receiver</STRONG></P><P><STRONG>2. SAI receiver synchronous with transmitter</STRONG></P><P></P><P>Question:</P><P>Should I set RCR2, RCR4, RCR5 and TCR2, TCR4, TCR5 registers <SPAN class="">across both the transmitter and receiver</SPAN>? Or should it be configured according to the synchronous mode selection?</P><P>For example:</P><P><STRONG>1. If SAI transmitter synchronous with receiver I configure only RCR2, RCR4 and RCR5. Leave transmitter reg untouched.</STRONG></P><P><STRONG>2. If SAI receiver synchronous with transmitter I configure only TCR2, TCR4 and TCR5. Leave receiver reg untouched.</STRONG></P></BODY></HTML> Wed, 17 May 2017 05:47:25 GMT linasstaisiunas 2017-05-17T05:47:25Z https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682353#M105431 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I have got SAI on i.MX6 and need to configure it properly in synchronous mode. There are two cases in sync mode:</P><P><STRONG>1. SAI transmitter synchronous with receiver</STRONG></P><P><STRONG>2. SAI receiver synchronous with transmitter</STRONG></P><P></P><P>Question:</P><P>Should I set RCR2, RCR4, RCR5 and TCR2, TCR4, TCR5 registers <SPAN class="">across both the transmitter and receiver</SPAN>? Or should it be configured according to the synchronous mode selection?</P><P>For example:</P><P><STRONG>1. If SAI transmitter synchronous with receiver I configure only RCR2, RCR4 and RCR5. Leave transmitter reg untouched.</STRONG></P><P><STRONG>2. If SAI receiver synchronous with transmitter I configure only TCR2, TCR4 and TCR5. Leave receiver reg untouched.</STRONG></P></BODY></HTML> Wed, 17 May 2017 05:47:25 GMT https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682353#M105431 linasstaisiunas 2017-05-17T05:47:25Z https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682354#M105432 <HTML><HEAD></HEAD><BODY><P>Hi Linas</P><P></P><P>please refer to sect.42.3.3.1 Synchronous mode i.MX6UL Reference Manual </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%2Fref_manual%2FIMX6ULRM.pdf" rel="nofollow" target="_blank">http://cache.freescale.com/files/32bit/doc/ref_manual/IMX6ULRM.pdf</A></P><P></P><P>"The transmitter must be configured for asynchronous operation and the receiver for<BR />synchronous operation."</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> Wed, 17 May 2017 06:53:21 GMT https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682354#M105432 igorpadykov 2017-05-17T06:53:21Z https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682355#M105433 <HTML><HEAD></HEAD><BODY><P>I understand that synchronous configuration (SYNC bits in register TCR2 and RCR2). But what about bit clock divider, bit clock direction, bit clock polarity, frame configuration registers setup in case "The transmitter must be configured for asynchronous operation and the receiver for<BR />synchronous operation." ? Should I set both transceiver and receiver registers with proper values? </P></BODY></HTML> Wed, 17 May 2017 07:31:35 GMT https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682355#M105433 linasstaisiunas 2017-05-17T07:31:35Z https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682356#M105434 <HTML><HEAD></HEAD><BODY><P>bit clock divider, bit clock direction, bit clock polarity do not depend on </P><P>synchronous/asynchronous configuration.</P><P></P><P>Best regards<BR />igor</P></BODY></HTML> Wed, 17 May 2017 10:43:49 GMT https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682356#M105434 igorpadykov 2017-05-17T10:43:49Z https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682357#M105435 <HTML><HEAD></HEAD><BODY><P>Thank you for response. </P><P>Br,</P><P>Linas</P></BODY></HTML> Wed, 17 May 2017 10:49:29 GMT https://community.nxp.com/t5/i-MX-Processors/SAI-in-synchronous-mode-configuration/m-p/682357#M105435 linasstaisiunas 2017-05-17T10:49:29Z