uPD78F0591 Overview
User’s Manual 78K0/Kx2-A 8-Bit Single-Chip Microcontrollers μPD78F0590 μPD78F0591 μPD78F0592 μPD78F0593 Document No. Waveform distortion due to input noise or a reflected wave may cause malfunction. If the input of the CMOS device stays in the area between VIL (MAX) and VIH (MIN) due to noise, etc., the device may malfunction.