mc68hc908jb8 Freescale Semiconductor, Inc, mc68hc908jb8 Datasheet - Page 219
mc68hc908jb8
Manufacturer Part Number
mc68hc908jb8
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908JB8.pdf
(286 pages)
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Technical Data — MC68HC908JB8•MC68HC08JB8•MC68HC08JT8
13.1 Contents
13.2 Introduction
13.3 Features
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
13.2
13.3
13.4
13.5
13.6
13.7
13.8
13.9
The IRQ module provides two external interrupt inputs: one dedicated
IRQ pin and one shared port pin, PTE4/D–.
Features of the IRQ module include:
•
•
•
•
•
•
•
Two external interrupt pins, IRQ (5V) and PTE4/D– (5V)
IRQ interrupt control bits
Hysteresis buffer
Programmable edge-only or edge and level interrupt sensitivity
Automatic interrupt acknowledge
Low leakage IRQ pin for external RC wake up input
Selectable internal pullup resistor
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219
IRQ Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . . 223
IRQ Status and Control Register . . . . . . . . . . . . . . . . . . . . . . 224
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .220
PTE4/D– Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
IRQ Option Control Register. . . . . . . . . . . . . . . . . . . . . . . . . . 225
External Interrupt (IRQ)
Section 13. External Interrupt (IRQ)
Technical Data
219
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