LPC MicrocontrollersのトピックIncorrect LCDFP and LCDLP states with LCDEN disabled. https://community.nxp.com/t5/LPC-Microcontrollers/Incorrect-LCDFP-and-LCDLP-states-with-LCDEN-disabled/m-p/583710#M20913 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by GregDavies on Wed Sep 16 08:35:44 MST 2015</STRONG><BR /><SPAN>In the user manual for the LCD Control register (Rev 1.6, p791), it states that when LCDEN is set to 0, then LCDLP, and LCDFP are set low. When I probe these lines, they are high in the disabled state. </SPAN><BR /><BR /><SPAN>I have these pins both considered with:</SPAN><BR /><SPAN>- pulldown enabled</SPAN><BR /><SPAN>- pullup disabled</SPAN><BR /><SPAN>- input buffer enabled</SPAN><BR /><SPAN>- glitch filter disabled</SPAN><BR /><SPAN>- FP/LP functions selected. </SPAN><BR /><BR /><SPAN>There's nothing in the errata about these pins resetting to an incorrect state. Is there more information I'm missing, or is this an error in the documentation or chip?</SPAN></BODY></HTML> Wed, 15 Jun 2016 19:08:26 GMT lpcware 2016-06-15T19:08:26Z Incorrect LCDFP and LCDLP states with LCDEN disabled. https://community.nxp.com/t5/LPC-Microcontrollers/Incorrect-LCDFP-and-LCDLP-states-with-LCDEN-disabled/m-p/583710#M20913 <HTML><HEAD></HEAD><BODY><STRONG>Content originally posted in LPCWare by GregDavies on Wed Sep 16 08:35:44 MST 2015</STRONG><BR /><SPAN>In the user manual for the LCD Control register (Rev 1.6, p791), it states that when LCDEN is set to 0, then LCDLP, and LCDFP are set low. When I probe these lines, they are high in the disabled state. </SPAN><BR /><BR /><SPAN>I have these pins both considered with:</SPAN><BR /><SPAN>- pulldown enabled</SPAN><BR /><SPAN>- pullup disabled</SPAN><BR /><SPAN>- input buffer enabled</SPAN><BR /><SPAN>- glitch filter disabled</SPAN><BR /><SPAN>- FP/LP functions selected. </SPAN><BR /><BR /><SPAN>There's nothing in the errata about these pins resetting to an incorrect state. Is there more information I'm missing, or is this an error in the documentation or chip?</SPAN></BODY></HTML> Wed, 15 Jun 2016 19:08:26 GMT https://community.nxp.com/t5/LPC-Microcontrollers/Incorrect-LCDFP-and-LCDLP-states-with-LCDEN-disabled/m-p/583710#M20913 lpcware 2016-06-15T19:08:26Z