Contents

Introduction Features External Interrupt – Overview External Interrupt Vectors External Interrupt Sensing Asynchronous Sensing in ATtiny88 Synchronous Sensing in ATtiny88 Interrupt Response Time Interrupt Priority Important Points to be Noted when using External Interrupts Getting Started Task 1: Basic External Interrupt Usage Task 2: Nested External Interrupt Usage Task 3: External Interrupt Based on Signal Change on Pin Task 4: External Interrupt for Device Wake-up Driver Implementation Revision History Legal Disclaimer