參數(shù)資料
型號: MC68HC05P18MDWR3
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 99/144頁
文件大?。?/td> 1348K
代理商: MC68HC05P18MDWR3
Advance Information
MC68HC(8)05P18 — Rev. 2.0
58
Operating Modes
MOTOROLA
Operating Modes
Figure 6-2. STOP/WAIT Flowcharts
1.
FETCH RESET VECTOR
OR
2.
SERVICE INTERRUPT
A.
STACK
B.
SET I BIT
C.
VECTOR TO INTERRUPT ROUTINE
WAIT
STOP
TO HALT
OPTION?
Y
N
LVR OR
EXTERNAL
RESET?
Y
N
IRQ
EXTERNAL
INTERRUPT?
Y
N
STOP EXTERNAL OSCILLATOR,
STOP INTERNAL TIMER CLOCK,
RESET START-UP DELAY
RESTART EXTERNAL OSCILLATOR,
START STABILIZATION DELAY
STOP INTERNAL PROCESSOR
CLOCK, CLEAR I-BIT IN CCR
END
OF STABILIZATION
DELAY?
Y
N
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
LVR OR
EXTERNAL
RESET?
Y
N
STOP
HALT
LVR OR
EXTERNAL
RESET?
Y
N
IRQ
EXTERNAL
INTERRUPT?
Y
N
STOP INTERNAL PROCESSOR
CLOCK, CLEAR I BIT IN CCR
EXTERNAL OSCILLATOR ACTIVE
AND
INTERNAL TIMER CLOCK ACTIVE
TIMER
INTERNAL
INTERRUPT?
Y
N
COP
INTERNAL
RESET?
Y
N
COP
INTERNAL
RESET?
Y
N
STOP RC OSCILLATOR
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