参数资料
型号: MC68HC08AS20VFNR2
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PQCC52
封装: PLASTIC, LCC-52
文件页数: 36/96页
文件大小: 3243K
代理商: MC68HC08AS20VFNR2
4
MC68HC05E0
MOTOROLA
4-5
RESETS, INTERRUPTS AND LOW POWER MODES
Figure 4-3 Hardware Interrupt Flow Chart
INTX, RTI,
or Wake-up
?
Timer A
?
Timer B
?
SI
?
From
RESET
Is
I-bit set
?
Execute
Instruction
Fetch
Instruction
Stack PC/X/A/CCR
Set I-bit
Load PC from:
IRQB: $1FFA - $1FFB
Timer A: $1FF8 - $1FF9
Timer B: $1FF6 - $1FF7
SI: $1FF4 - $1FF5
No
Yes
No
Yes
No
Yes
No
Clear IRQB
Request
latch
No
Yes
41
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