MC68HC08AZ60 Datasheet, PDF (165/452 Pages) Motorola, Inc – Advance Information

Freescale Semiconductor, Inc.
External Interrupt Module (IRQ)
External Interrupt Module (IRQ)
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
IRQ Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
IRQ Module During Break Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . 170
IRQ Status and Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Introduction
This section describes the nonmaskable external interrupt (IRQ) input.
Features
Features include:
• Dedicated External Interrupt Pin (IRQ)
• Hysteresis Buffer
• Programmable Edge-Only or Edge- and Level-Interrupt Sensitivity
• Automatic Interrupt Acknowledge
1-irq
MOTOROLA
MC68HC08AZ60 — Rev 1.0
External Interrupt Module (IRQ)
165
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