MC68HC705J1A Motorola, MC68HC705J1A Datasheet - Page 101

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MC68HC705J1A

Manufacturer Part Number
MC68HC705J1A
Description
Manufacturer
Motorola
Datasheet

Specifications of MC68HC705J1A

Case
DIP-20L
Technical Data — MC68HC705J1A
Section 8. External Interrupt Module (IRQ)
8.1 Contents
8.2
8.3
8.3.1
8.3.2
8.4
8.5
8.5.1
8.5.2
8.2 Introduction
The external interrupt (IRQ) module provides asynchronous external
interrupts to the CPU. These sources can generate external interrupts:
Features include:
MC68HC705J1A — Rev. 4.0
MOTOROLA
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
IRQ/V
Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
PP
Optional External Interrupts . . . . . . . . . . . . . . . . . . . . . . . . 104
IRQ Status and Control Register . . . . . . . . . . . . . . . . . . . . . . 106
External Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
5.0-Volt External Interrupt Timing Characteristics . . . . . . . 107
3.3-Volt External Interrupt Timing Characteristics . . . . . . . 107
IRQ/V
pin
PP
PA0–PA3 pins
Dedicated external interrupt pin (IRQ/V
Selectable interrupt on four input/output (I/O) pins (PA0–PA3)
Programmable edge-only or edge- and level-interrupt sensitivity
External Interrupt Module (IRQ)
)
PP
Technical Data
101

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