Interrupt Controller 8259 — Study Resources & PYQs
Interrupt controller 8259
- Estimated study time: 150 minutes
Study resources
- Architecture, Cascading, Priority Modes (Article) — Covers the 8259 Programmable Interrupt Controller: internal block diagram, IRQ lines, priority resolver, cascade mode (up to 64 interrupts), OCW & ICW programming words.
- Pin Diagram & Features (Article) — Detailed pin-by-pin description of the 8259 PIC — INT, INTA, IR0–IR7, SP/EN, CS, RD, WR, D0–D7, CAS lines, A0. Useful alongside the block diagram.
Taught in these subjects
- Microprocessors and Interfacing — ECT-1502 · Government College of Engineering and Technology, Jammu