MC68HC908JK3 MOTOROLA [Motorola, Inc], MC68HC908JK3 Datasheet - Page 159

• Manufacturer Part Number: MC68HC908JK3
• Description: MC68HC908JK1
• Manufacturer: MOTOROLA [Motorola, Inc]

13.1 Contents
13.2 Introduction
13.3 Features
MC68H(R)C908JL3
MOTOROLA
Technical Data — MC68H(R)C908JL3
—
Rev. 1.0
13.2
13.3
13.4
13.4.1
13.5
13.6
The IRQ (external interrupt) module provides a maskable interrupt input.
Features of the IRQ module include the following:
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A dedicated external interrupt pin, IRQ1
IRQ1 interrupt control bits
Hysteresis buffer
Programmable edge-only or edge and level interrupt sensitivity
Automatic interrupt acknowledge
Selectable internal pullup resistor
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 163
IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . . . 163
IRQ1 Pin. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Section 13. External Interrupt (IRQ)
External Interrupt (IRQ)
Technical Data
159