mc68hc908lj24 Freescale Semiconductor, Inc, mc68hc908lj24 Datasheet - Page 401

• Manufacturer Part Number: mc68hc908lj24
• Description: M68hc08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

19.1 Contents
19.2 Introduction
19.3 Features
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
Data Sheet — MC68HC908LJ24
19.2
19.3
19.4
19.4.1
19.5
19.6
The external interrupt (IRQ) module provides a maskable interrupt input.
Features of the IRQ module include the following:
•
•
•
•
•
•
A dedicated external interrupt pin (IRQ)
IRQ interrupt control bits
Hysteresis buffer
Programmable edge-only or edge and level interrupt sensitivity
Automatic interrupt acknowledge
Internal pullup resistor
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 405
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .402
IRQ Status and Control Register (INTSCR) . . . . . . . . . . . . . . 405
IRQ Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
Section 19. External Interrupt (IRQ)
External Interrupt (IRQ)
Data Sheet
401