topic PCA85133 - LCD Driver -- Power up Issue. in Other NXP Products https://community.nxp.com/t5/Other-NXP-Products/PCA85133-LCD-Driver-Power-up-Issue/m-p/749673#M5649 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P>&nbsp; &nbsp; We are&nbsp;facing problem with PCA85133 + LCD. Slave &nbsp;does not acknowledged</P><P>Fclk - 2.5KHz</P><P>If i try to write the slave address 0x70, it is&nbsp;not ack....Please any one help us.&nbsp;</P></BODY></HTML> Wed, 27 Dec 2017 11:10:16 GMT karuna_pcs 2017-12-27T11:10:16Z PCA85133 - LCD Driver -- Power up Issue. https://community.nxp.com/t5/Other-NXP-Products/PCA85133-LCD-Driver-Power-up-Issue/m-p/749673#M5649 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P>&nbsp; &nbsp; We are&nbsp;facing problem with PCA85133 + LCD. Slave &nbsp;does not acknowledged</P><P>Fclk - 2.5KHz</P><P>If i try to write the slave address 0x70, it is&nbsp;not ack....Please any one help us.&nbsp;</P></BODY></HTML> Wed, 27 Dec 2017 11:10:16 GMT https://community.nxp.com/t5/Other-NXP-Products/PCA85133-LCD-Driver-Power-up-Issue/m-p/749673#M5649 karuna_pcs 2017-12-27T11:10:16Z Re: PCA85133 - LCD Driver -- Power up Issue. https://community.nxp.com/t5/Other-NXP-Products/PCA85133-LCD-Driver-Power-up-Issue/m-p/749674#M5650 <HTML><HEAD></HEAD><BODY><P>Hi Karunakaran,</P><P></P><P>If you have a logic analyzer or an oscilloscope, could you please post here the picture illustrating the I2C traffic?</P><P></P><P>Also make sure you are using the correct I2C address depending on the voltage on the SA0 input.</P><P></P><P>Best regards,</P><P>Tomas</P></BODY></HTML> Tue, 02 Jan 2018 08:33:02 GMT https://community.nxp.com/t5/Other-NXP-Products/PCA85133-LCD-Driver-Power-up-Issue/m-p/749674#M5650 TomasVaverka 2018-01-02T08:33:02Z Re: PCA85133 - LCD Driver -- Power up Issue. https://community.nxp.com/t5/Other-NXP-Products/PCA85133-LCD-Driver-Power-up-Issue/m-p/749675#M5651 <HTML><HEAD></HEAD><BODY><P>Problem resolved.</P></BODY></HTML> Tue, 02 Jan 2018 09:17:03 GMT https://community.nxp.com/t5/Other-NXP-Products/PCA85133-LCD-Driver-Power-up-Issue/m-p/749675#M5651 karuna_pcs 2018-01-02T09:17:03Z