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8259A ICU

8259A ICU

8259A Interrupt Controller is designed to transfer the interrupt with highest priority to the CPU, along with interrupt address information.

Specification

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

HIGHLIGHTS

  • Compatible with 8259A and uPD71059
  • Two modes of operation make the controller compatible with 8080/85 and 8086/88/286 microprocessors
  • Microcomputer system with I/O devices are serviced with efficient manner by using iW-8259A interrupt controller

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