Quote Originally Posted by Bruce View Post
Have you tested this with the external pull-up? My only preference to external VS internal is that I control
current consumption, and, if needed, I can use a stronger pull-up.
Not tested, it takes more place on the PCB if I use external WPU. I was just wondering if using external WPU would reduce the risks of unwanted triggering of the interrupt on portA change. As you say, I may choose a stronger pull up...