MC68HC908LJ12CPB FREESCALE [Freescale Semiconductor, Inc], MC68HC908LJ12CPB Datasheet - Page 356

• Manufacturer Part Number: MC68HC908LJ12CPB
• Description: 8-bit microcontroller units
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

18.1 Contents
18.2 Introduction
18.3 Features
MC68HC908LJ12
Freescale Semiconductor
Technical Data — MC68HC908LJ12
—
Rev. 2.1
18.2
18.3
18.4
18.4.1
18.5
18.6
The external interrupt (IRQ) module provides a maskable interrupt input.
Features of the IRQ module include the following:
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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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 361
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .358
IRQ Status and Control Register (INTSCR) . . . . . . . . . . . . . . 361
IRQ Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Section 18. External Interrupt (IRQ)
External Interrupt (IRQ)
Technical Data
357