If I do not desire to use the 32KHz clock on a K64FN1M0VLL12 device is it okay to tie EXTAL32 to circuit ground?
Hi, Robert,
As you know that the Extal32 is an input pin, if you do not use any crystal or clock source, it is okay to connect the Extal32 to GND directly.
BR
XiangJun Rong