參數(shù)資料
型號: MC68HC05P4APE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 24/72頁
文件大?。?/td> 400K
代理商: MC68HC05P4APE
Low-Power Modes
MC68HC05P4A Data Sheet, Rev. 7.1
30
Freescale Semiconductor
Figure 6-1. STOP/WAIT Flowchart
1.
FETCH RESET VECTOR
OR
2.
SERVICE INTERRUPT
a.
STACK
b.
SET I BIT
c.
VECTOR TO INTERRUPT ROUTINE
WAIT
STOP
TO HALT
MASK
N
EXTERNAL
RESET?
Y
N
IRQ
EXTERNAL
INTERRUPT?
Y
N
STOP EXTERNAL OSCILLATOR
STOP INTERNAL TIMER CLOCK
RESET STARTUP DELAY
RESTART EXTERNAL
OSCILLATOR, RESTART
STABILIZATION DELAY
STOP INTERNAL PROCESSOR
CLOCK
CLEAR I-BIT IN CCR
END OF
STABILIZATION
DELAY?
Y
IRQ
EXTERNAL
INTERRUPT?
Y
N
EXTERNAL OSCILLATOR
ACTIVE AND
INTERNAL TIMER
CLOCK ACTIVE
RESTART INTERNAL
PROCESSOR CLOCK
STOP INTERNAL
PROCESSOR CLOCK,
CLEAR I-BIT IN CCR
TIMER
INTERNAL
INTERRUPT?
Y
N
EXTERNAL
RESET?
Y
N
STOP
COP
INTERNAL
RESET?
Y
N
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