MC68HC08AZ60A Datasheet, PDF (201/480 Pages) Motorola, Inc – Microcontrollers

Advance Information — MC68HC08AZ60A
Section 15. External Interrupt Module (IRQ)
15.1 Contents
15.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
15.3 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
15.4 Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . .202
15.4.1 IRQ Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
15.5 IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . 206
15.6 IRQ Status and Control Register (ISCR). . . . . . . . . . . . . . .206
15.2 Introduction
The IRQ module provides the nonmaskable interrupt input.
15.3 Features
Features of the IRQ module include the following:
• Dedicated external interrupt pins (IRQ)
• IRQ interrupt control bit
• Hysteresis buffer
• Programmable edge-only or edge and level interrupt sensitivity
• Automatic interrupt acknowledge
MC68HC08AZ60A — Rev 0.0
MOTOROLA
External Interrupt Module (IRQ)
Advance Information
201