Freescale Semiconductor, Inc.
Technical Data — MC68HC908AS60
Section 16. External Interrupt Module (IRQ)
16.1 Contents
16.2 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .215
16.3 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .215
16.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .216
16.5 IRQ Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219
16.6 IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . .220
16.7 IRQ Status and Control Register . . . . . . . . . . . . . . . . . . . . . .220
16.2 Introduction
16.3 Features
This section describes the non-maskable external interrupt (IRQ) input.
Features include:
• Dedicated external interrupt pin (IRQ)
• Hysteresis buffer
• Programmable edge-only or edge- and level-interrupt sensitivity
• Automatic interrupt acknowledge
MC68HC908AS60 — Rev. 1.0
Technical Data
External Interrupt Module (IRQ)
For More Information On This Product,
Go to: www.freescale.com
FREESCALE [ Freescale ]
