LPC Microcontrollers中的主题 about LPC17xx emac Overrun error https://community.nxp.com/t5/LPC-Microcontrollers/about-LPC17xx-emac-Overrun-error/m-p/522317#M4953 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by ml1234 on Sat Feb 23 02:10:32 MST 2013</STRONG><BR /><SPAN>1.</SPAN><BR /><SPAN>LPC17xx User manual Rev.2 Page 190, about this bit:</SPAN><BR /><BR /><SPAN>The data flow on the receiver data interface stalls, corrupting the packet. </SPAN><BR /><SPAN>In this case the overrun bit in the status word is set and the RxError bit in the IntStatus register is set. </SPAN><BR /><SPAN>This error is nonfatal.</SPAN><BR /><BR /><SPAN>what reason can have this bit set?</SPAN><BR /><BR /><SPAN>2.</SPAN><BR /><SPAN>The flow of reception statuses stalls and a new status has to be written while a previous status still waits to be transferred across the memory interface.</SPAN><BR /><SPAN>This error will corrupt the hardware state and requires the hardware to be soft reset. </SPAN><BR /><SPAN>The error is detected and sets the Overrun bit in the IntStatus register.</SPAN><BR /><BR /><SPAN>how to reset the hardware?</SPAN><BR /><BR /><SPAN>thx!</SPAN><BR /><SPAN>2013-2-23</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:55:13 GMT lpcware 2016-06-15T17:55:13Z about LPC17xx emac Overrun error https://community.nxp.com/t5/LPC-Microcontrollers/about-LPC17xx-emac-Overrun-error/m-p/522317#M4953 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by ml1234 on Sat Feb 23 02:10:32 MST 2013</STRONG><BR /><SPAN>1.</SPAN><BR /><SPAN>LPC17xx User manual Rev.2 Page 190, about this bit:</SPAN><BR /><BR /><SPAN>The data flow on the receiver data interface stalls, corrupting the packet. </SPAN><BR /><SPAN>In this case the overrun bit in the status word is set and the RxError bit in the IntStatus register is set. </SPAN><BR /><SPAN>This error is nonfatal.</SPAN><BR /><BR /><SPAN>what reason can have this bit set?</SPAN><BR /><BR /><SPAN>2.</SPAN><BR /><SPAN>The flow of reception statuses stalls and a new status has to be written while a previous status still waits to be transferred across the memory interface.</SPAN><BR /><SPAN>This error will corrupt the hardware state and requires the hardware to be soft reset. </SPAN><BR /><SPAN>The error is detected and sets the Overrun bit in the IntStatus register.</SPAN><BR /><BR /><SPAN>how to reset the hardware?</SPAN><BR /><BR /><SPAN>thx!</SPAN><BR /><SPAN>2013-2-23</SPAN></BODY></HTML> Wed, 15 Jun 2016 17:55:13 GMT https://community.nxp.com/t5/LPC-Microcontrollers/about-LPC17xx-emac-Overrun-error/m-p/522317#M4953 lpcware 2016-06-15T17:55:13Z