3 Replies Latest reply on Jan 2, 2019 11:33 PM by ShifangZ_26

    CYPD-3125 Error USB device (0.0) de-initalization failed

    seka_1864171

      Hi, I designed a my new board. But I got it below error message.

       

      EZ-PD Configuration Utility_Message2.jpg

       

      My Board's basic concept is CY4531 CCG3 DaughterCard Rev03 (I2C: CY7C65215-32LTXI -> CYPD3125-40LQXIT).

      CY7C65215 setting is below.

      Cypress USB-Serial Configuration Utility setting.jpg

      Cypress USB-Serial Configuration Utility setting_I2C.jpg

       

      Below is My Circuti and I2C wave form.

      Circuit.jpg

      I2C_waveform.jpeg

       

        I can't get any device information, also Refresh click.

      EZ-PD Configuration Utility_Message3.jpg

      I don't know why I2C communication is failed.