Kinetis MicrocontrollersのトピックLCD 5V with 1/8 cycles problem https://community.nxp.com/t5/Kinetis-Microcontrollers/LCD-5V-with-1-8-cycles-problem/m-p/640842#M38812 <HTML><HEAD></HEAD><BODY><P>Hi Everyone,</P><P>I am using the K30 to drive my LCD. My LCD operate at 5V with 8x24 LCD 1/3 bias.&nbsp;</P><P>I am able to run my LCD correctly after for few minutes. The problem comes after that. Some of the&nbsp;segment</P><P>that is should be off is turn on. I realize that the segment affected is only those at the BP5-BP8.&nbsp;</P><P>Fyi, I am using charge pump to drive my LCD.&nbsp;</P><P>Is there any register that I &nbsp;need to define &nbsp;beside LCD_GCR[DUTY] to make my LCD run properly.</P></BODY></HTML> Thu, 01 Dec 2016 06:04:47 GMT blurblur 2016-12-01T06:04:47Z LCD 5V with 1/8 cycles problem https://community.nxp.com/t5/Kinetis-Microcontrollers/LCD-5V-with-1-8-cycles-problem/m-p/640842#M38812 <HTML><HEAD></HEAD><BODY><P>Hi Everyone,</P><P>I am using the K30 to drive my LCD. My LCD operate at 5V with 8x24 LCD 1/3 bias.&nbsp;</P><P>I am able to run my LCD correctly after for few minutes. The problem comes after that. Some of the&nbsp;segment</P><P>that is should be off is turn on. I realize that the segment affected is only those at the BP5-BP8.&nbsp;</P><P>Fyi, I am using charge pump to drive my LCD.&nbsp;</P><P>Is there any register that I &nbsp;need to define &nbsp;beside LCD_GCR[DUTY] to make my LCD run properly.</P></BODY></HTML> Thu, 01 Dec 2016 06:04:47 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/LCD-5V-with-1-8-cycles-problem/m-p/640842#M38812 blurblur 2016-12-01T06:04:47Z