P-SeriesのトピックP2040: Problem with setup eTSEC1 as GPIO output https://community.nxp.com/t5/P-Series/P2040-Problem-with-setup-eTSEC1-as-GPIO-output/m-p/249054#M448 <HTML><HEAD></HEAD><BODY><P>I have a problem with using eTSEC1 signal group as a GPIO30, GPIO31.</P><P></P><P>It retains "0" on this pins (EC1_TXD1/GPIO[30] , EC1_TXD3/GPIO[31]).</P><P></P><P>RCW seems to be right (RCW[2C]: F8 DA 4E F6), it was generated by "Configuration Suite".</P><P>Other functions (ex. SDRAM, SDHC, NAND, ...) and other GPIO working good.</P><P></P><P>Reason was: two RCW fields for one purpose. To activate GPIO 30-31, both RCW 352-353, 360-361 fields to be properly setted (0b11, 0b01). Last one has unobvious description "01: 1588 and external timestamping functionality."</P></BODY></HTML> Thu, 31 Oct 2013 06:17:31 GMT andreykondraten 2013-10-31T06:17:31Z P2040: Problem with setup eTSEC1 as GPIO output https://community.nxp.com/t5/P-Series/P2040-Problem-with-setup-eTSEC1-as-GPIO-output/m-p/249054#M448 <HTML><HEAD></HEAD><BODY><P>I have a problem with using eTSEC1 signal group as a GPIO30, GPIO31.</P><P></P><P>It retains "0" on this pins (EC1_TXD1/GPIO[30] , EC1_TXD3/GPIO[31]).</P><P></P><P>RCW seems to be right (RCW[2C]: F8 DA 4E F6), it was generated by "Configuration Suite".</P><P>Other functions (ex. SDRAM, SDHC, NAND, ...) and other GPIO working good.</P><P></P><P>Reason was: two RCW fields for one purpose. To activate GPIO 30-31, both RCW 352-353, 360-361 fields to be properly setted (0b11, 0b01). Last one has unobvious description "01: 1588 and external timestamping functionality."</P></BODY></HTML> Thu, 31 Oct 2013 06:17:31 GMT https://community.nxp.com/t5/P-Series/P2040-Problem-with-setup-eTSEC1-as-GPIO-output/m-p/249054#M448 andreykondraten 2013-10-31T06:17:31Z