Contents; Introduction; Features; Section 14. External Interrupt (Irq) - Freescale Semiconductor MC68HC08KH12 Datasheet

Advance Information - MC68HC(7)08KH12

14.1 Contents

14.2 Introduction

14.3 Features

MC68HC(7)08KH12 Rev. 1.1
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Freescale Semiconductor

Section 14. External Interrupt (IRQ)

14.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
14.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
14.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214
14.4.1 IRQ1/V
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14.5 IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 217
14.6 IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . . . 217
The IRQ module provides a non-maskable interrupt input.
Features of the IRQ module include the following:
• A Dedicated External Interrupt Pin (IRQ1/V
• IRQ1 Interrupt Control Bits
• Hysteresis Buffer
• Programmable Edge-only or Edge and Level Interrupt Sensitivity
• Automatic Interrupt Acknowledge
• IRQ1/V pin includes internal pullup resistor
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Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
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