Technology 8259 A P R O G R A M M A B L E I N T E R R U P T C O N T R O L L E R2

1. 8259A PROGRAMMABLE INTERRUPT CONTROLLER 2. NEED FOR 8259A 8085 Processor has only 5 hardware interrupts. Consider an application where a number of I/O devices connected…

Documents Interrupts. 2 Definition: An electrical signal sent to the CPU (at any time) to alert it to the...

Slide 1 Interrupts Slide 2 2 Definition: An electrical signal sent to the CPU (at any time) to alert it to the occurrence of some event that needs its attention Purpose:…