UM8259A controller equivalent, programmable interrupt controller.
* iAPX86, iAPX88 compatible
* MCS-80®, MCS-85® compatible
* Eight-level priority controller
* Expandable to 64 levels ,. Programmable interrupt modes
The UM8259A Programmable Interrupt Controller handles up to eight vectored priority interrupts for the CPU, It is cascadable for up to 64 vectored priority interrupts without additional circuitry, Packaged in a 28-pin DIP, it uses NMOS technology and.
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