Microprocessors and Interfaces Tutorials

Tutorial 13: 8086 Interfaces 8255A PPI/8254 Timer and 8259A PIC

Problems and Solutions, Solved Examples on 8086 interfaces 8255A PPI/8254 Timer and 8259A PIC. Control word to configure 8255A, Modes of 8255A, Read an ASCII character from a keyboard via PORT A of an 8255, reading counts on the fly, display seconds by calling the subroutine, Pulse gerenration, Pulse in every 50 us later from counter 0, ALP to initialize the 8259A in single level-triggered mode non buffered on special fully nested mode, set the 8259A to operate with IR6 masked and specific EOI mode, 8259A interfacing connections with 8086.

Lesson Intro Video

Tutorial 12: (Prev Lesson)
Back to Microprocessors and Interfaces Tutorials

No Comments

Give a comment