参数资料
型号: MC68HC05RC18FN
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQCC44
封装: PLASTIC, LCC-44
文件页数: 60/126页
文件大小: 1180K
代理商: MC68HC05RC18FN
MC68HC05RC18 Rev. 2.1
General Release Specification
Freescale Semiconductor
Interrupts
39
NON-DISCLOSURE
AGREEMENT
REQUIRED
General Release Specification — MC68HC05RC18
Section 4. Interrupts
4.1 Contents
CPU Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
External Interrupt (IRQ/Port B Keyscan) . . . . . . . . . . . . . . . 43
4.2 Introduction
The MCU can be interrupted four different ways, which are discussed in
this section. They are:
1. Nonmaskable Software Interrupt Instruction (SWI)
2. External Asynchronous Interrupt (IRQ/Port B Keyscan)
3. Internal Carrier Modulator Transmitter Interrupt
4. Internal Core Timer Interrupt
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