MC68HC908AZ32ACFU MOTOROLA [Motorola, Inc], MC68HC908AZ32ACFU Datasheet - Page 199

• Manufacturer Part Number: MC68HC908AZ32ACFU
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

Advance Information — 68HC908AZ32A
15.1 Contents
15.2 Introduction
15.3 Features
15.4 Functional Description
68HC908AZ32A — Rev 0.0
MOTOROLA
15.2
15.3
15.4
15.5
15.6
15.7
This section describes the nonmaskable external interrupt (IRQ) input.
Features include:
A logic 0 applied to the external interrupt pin can latch a CPU interrupt
request.
Section 15. External Interrupt Module (IRQ1)
Freescale Semiconductor, Inc.
•
•
•
•
For More Information On This Product,
Dedicated External Interrupt Pin (IRQ1)
Hysteresis Buffer
Programmable Edge-Only or Edge- and Level-Interrupt Sensitivity
Automatic Interrupt Acknowledge
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
IRQ Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . .204
IRQ Status and Control Register . . . . . . . . . . . . . . . . . . . . . . 204
Figure 15-1
External Interrupt Module (IRQ1)
Go to: www.freescale.com
shows the structure of the IRQ module.
Advance Information
199