MC68HC908AB32 MOTOROLA [Motorola, Inc], MC68HC908AB32 Datasheet - Page 339

• Manufacturer Part Number: MC68HC908AB32
• Description: HCMOS Microcontroller Unit
• Manufacturer: MOTOROLA [Motorola, Inc]

18.1 Contents
18.2 Introduction
18.3 Features
MC68HC908AB32
MOTOROLA
Technical Data — MC68HC908AB32
—
Rev. 1.0
18.2
18.3
18.4
18.4.1
18.5
18.6
The IRQ (external interrupt) module provides a maskable interrupt input.
Features of the IRQ module include the following:
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Freescale Semiconductor, Inc.
For More Information On This Product,
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 339
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 340
IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . . . 343
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 344
IRQ Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
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Section 18. External Interrupt (IRQ)
External Interrupt (IRQ)
Technical Data
339