参数资料
型号: MC68HC05SU3AFB
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, PQFP44
封装: QFP-44
文件页数: 59/80页
文件大小: 328K
代理商: MC68HC05SU3AFB
MOTOROLA
8-2
MC68HC05SU3A
LOW POWER MODES
8
Figure 8-1 STOP and WAIT Mode Flowcharts
STOP
N
Y
WAIT
Fetch Reset Vector
or
Service Interrupt
(a)
(b)
(c)
Stack
Set I-Bit
Vector to Interrupt
Routine
External
RESET?
External Hardware
Interrupt?
Keyboard
Interrupt?
Y
N
Restart
Internal Processor Clock
N
Timer
Interrupt?
Y
N
Stop Internal Processor Clock,
Clear I-Bit in CCR
External Oscillator Active,
and Internal
Timer Clock Active
Reset External Oscillator,
and Stabilization Delay
End of Start-Up
Delay?
Y
N
Y
N
Stop Internal Processor Clock,
Clear I-Bit in CCR
Stop External Oscillator,
Stop Internal Timer Clock,
and Reset Start-Up Delay
IRQ or KBI
Interrupt?
External
RESET?
TPG
60
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