8259A Interrupt Controller

Overview

Key Features

• Eight interrupt request input per chip
• Up to 64 interrupt request inputs per system
• Edge or level triggered interrupt request inputs
• Individually maskable interrupt requestsProgrammable interrupt request priority orders
• Polling operation capability
• Extended mode with cascade connection of external interrupts
• Supports Slave mode in extended mode

Benefits

• Can be used to assign priority levels to interrupt outputs
• Allows cascading of multiple interrupts

Block Diagram

Applications

• Core is designed to use with industry standard microprocessors such as 80286, 8086/8088, 8080/85.

Deliverables

• ..

Technical Specifications