MC68HC908AZ60 Datasheet, PDF (193/480 Pages) Motorola, Inc – HCMOS Microcontroller Unit

External Interrupt Module (IRQ)
External Interrupt Module (IRQ)
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
IRQ Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
IRQ Module During Break Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . 196
IRQ Status and Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Introduction
This section describes the nonmaskable external interrupt (IRQ) input.
Features
Features include:
• Dedicated External Interrupt Pin (IRQ/V_PP)
• Hysteresis Buffer
• Programmable Edge-Only or Edge- and Level-Interrupt Sensitivity
• Automatic Interrupt Acknowledge
1-irq
MOTOROLA
External Interrupt Module (IRQ)
MC68HC908AZ60 — Rev 2.0
191