Using External Crystal Oscillator with PLC20 – KBA91088

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    Question: How do you use a 32 KHz external crystal oscillator with PLC20?

     

    Answer:

    Here are the settings needed to use an external 32 KHz crystal:

    1.   In Global Resources, set 32K_Select to External and PLL Mode to Ext Lock.
    2.   In the Pinout window, for P1[0] change Select to XtalOut and for P1[1] change Select to XtalIn.