参数资料
型号: MC68HC05K1VDWR3
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDSO16
封装: SOIC-16
文件页数: 103/154页
文件大小: 1544K
代理商: MC68HC05K1VDWR3
Technical Data
MC68HC05K0 MC68HC05K1 — Rev. 2.0
52
Interrupts
MOTOROLA
Technical Data
Figure 4-4 shows the sequence of events caused by an interrupt.
Figure 4-4. Interrupt Flowchart
EXTERNAL
INTERRUPT?
I BIT SET?
FROM
RESET
TIMER
INTERRUPT?
FETCH NEXT
INSTRUCTION
SWI
INSTRUCTION?
RTI
INSTRUCTION?
STACK PC, X, A, CCR
SET I BIT
LOAD PC WITH INTERRUPT VECTOR
YES
UNSTACK CCR, A, X, PC
EXECUTE INSTRUCTION
CLEAR IRQF BIT
NO
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