2 Replies Latest reply on Feb 17, 2011 6:13 AM by udayanu_

    I2C Slave pin assigment

      I have CY8CKIT-003. I2C Slave Spec says, there is any pin available for this function.


      I'm trying with pins P4[4]-SDA and P4[6} _SCL pins (according to example project).


      Psoc Creator however doesn't allow such assignment saying:


      "Error: apr.M0010: IO "SCL_S(0)" cannot be placed into "P4[6]" because the pin does not support the features required by the IO. (App=cydsfit)"


      As far as I figured out only hardware dedicated pins work (P12-0 and P12-1)


      And it's regardles of configuration (UDB nor Fixed FUnction)


      Does anyone know why?


      Template projects reccomends open drain low (can I use resitive pullup?)




      robert seczkowski