參數(shù)資料
型號(hào): MC68HSC05J1A
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 41/128頁
文件大小: 1620K
代理商: MC68HSC05J1A
MC68HC05J1A — Rev. 3.0
Technical Data
MOTOROLA
Interrupts
41
Technical Data — MC68HC05J1A
Section 4. Interrupts
4.1 Contents
4.2
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
4.3
4.3.1
4.3.2
4.3.2.1
4.3.2.2
4.3.2.3
4.3.3
4.3.3.1
4.3.3.2
Interrupt Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Software Interrupt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
External Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
IRQ Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
PA3–PA0 Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
IRQ Status and Control Register . . . . . . . . . . . . . . . . . . .45
Timer Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Timer Overflow Interrupt . . . . . . . . . . . . . . . . . . . . . . . . .46
Real-Time Interrupt . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
4.4
Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
4.2 Introduction
This section describes how interrupts temporarily change the normal
processing sequence.
4.3 Interrupt Sources
These sources can generate interrupt requests:
SWI (software interrupt) instruction
IRQ pin
PA3–PA0 pins (mask option)
Multifunction timer
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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