MC68HC908MR8 Datasheet, PDF (297/372 Pages) Motorola, Inc – Microcontrollers

Technical Data — MC68HC908MR8
Section 16. External Interrupt (IRQ)
16.1 Contents
16.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .297
16.3 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .297
16.4 Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . .298
16.5 IRQ Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .301
16.6 IRQ Module During Wait Mode . . . . . . . . . . . . . . . . . . . . . .302
16.7 IRQ Module During Stop Mode . . . . . . . . . . . . . . . . . . . . . .302
16.8 IRQ Module During Break Mode . . . . . . . . . . . . . . . . . . . . .302
16.9 IRQ Status and Control Register. . . . . . . . . . . . . . . . . . . . .303
16.2 Introduction
This section describes the external interrupt module, which supports
external interrupt functions.
16.3 Features
Features of the IRQ module include:
• A dedicated external interrupt pin, IRQ
• Hysteresis buffers
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
External Interrupt (IRQ)
Technical Data
297