I ibwev Member Aug 9, 2011 #1 If the RABPU bit is cleared to enable pull-ups on PIC16F690 and a push button is used as an input signal, is an external pull-up resistor necessary and/or desired with the push button?
If the RABPU bit is cleared to enable pull-ups on PIC16F690 and a push button is used as an input signal, is an external pull-up resistor necessary and/or desired with the push button?
Jon Wilder Active Member Aug 9, 2011 #2 No. The push button just needs to have one of its terminals grounded with the opposite terminal on the pin.
No. The push button just needs to have one of its terminals grounded with the opposite terminal on the pin.