MPC5xxx中的主题 Re: Problem with wake up TJA1145 https://community.nxp.com/t5/MPC5xxx/Problem-with-wake-up-TJA1145/m-p/733051#M10024 <HTML><HEAD></HEAD><BODY><P>All helps appreciated!</P></BODY></HTML> Fri, 23 Mar 2018 20:27:39 GMT yuezhao 2018-03-23T20:27:39Z Problem with wake up TJA1145 https://community.nxp.com/t5/MPC5xxx/Problem-with-wake-up-TJA1145/m-p/733050#M10023 <HTML><HEAD></HEAD><BODY><P style="color: #51626f; background-color: #ffffff; border: 0px;">Hello: I experienced a problem with TJA&nbsp;1145&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">I'm able to put it to sleep, but I want it to wake up via a specific signal inside message 0x3A0, so I tried to set Frame control register to 0x48, which&nbsp;according to my understanding, it should check all 8 data bytes in 0x3C0 based on my data mask setting.&nbsp; Then I set the data masks all to 00:</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">#define PNDMMask0 0xD000<BR />#define PNDMMask1 0xD200&nbsp;<BR />#define PNDMMask2 0xD400<BR />#define PNDMMask3 0xD600<BR />#define PNDMMask4 0xD800<BR />#define PNDMMask5 0xDA00<BR />#define PNDMMask6 0xDC00<BR />#define PNDMMask7 0xDE00</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">According to the datasheet, if I set them all to 00, it should never wake up. however, I'm able to wake it up with all the following messages.</P><P style="color: #51626f; background-color: #ffffff; border: 0px;"><SPAN>0x3A0</SPAN>: 00 00 00 00 00 00 00 00,</P><P style="color: #51626f; background-color: #ffffff; border: 0px;"><SPAN>0x3A0</SPAN>: 00 00 00 00 00 00 00,</P><P style="color: #51626f; background-color: #ffffff; border: 0px;"><SPAN>0x3A0</SPAN>: 00 00</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">Do you know what I did wrong here?</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">Thanks!</P><P style="color: #51626f; background-color: #ffffff; border: 0px;"></P><P style="color: #51626f; background-color: #ffffff; border: 0px;"></P><P style="color: #51626f; background-color: #ffffff; border: 0px;">part of datasheet attached:</P><P style="color: #51626f; background-color: #ffffff; border: 0px;"><BR /> </P></BODY></HTML> Fri, 23 Mar 2018 20:19:50 GMT https://community.nxp.com/t5/MPC5xxx/Problem-with-wake-up-TJA1145/m-p/733050#M10023 yuezhao 2018-03-23T20:19:50Z Re: Problem with wake up TJA1145 https://community.nxp.com/t5/MPC5xxx/Problem-with-wake-up-TJA1145/m-p/733051#M10024 <HTML><HEAD></HEAD><BODY><P>All helps appreciated!</P></BODY></HTML> Fri, 23 Mar 2018 20:27:39 GMT https://community.nxp.com/t5/MPC5xxx/Problem-with-wake-up-TJA1145/m-p/733051#M10024 yuezhao 2018-03-23T20:27:39Z