8255 PPI pin out
A0 and A1
Control Word is an instruction or command send to 8255 to set its ports or pins as input, output or interrupt driven.
There are three modes in which the device can be used.
8255 PPI in Mode-0
8255 PPI in Mode-1
Microcontroller Projects Related to 8255A. Practical Examples with Code.
Filed Under: Featured Contributions
Tagged With: 8255A, operating modes, pinout