參數(shù)資料
型號: 68HC05M68HC
廠商: Motorola, Inc.
英文描述: HCMOS Microcontroller Unit
中文描述: HCMOS微控制器
文件頁數(shù): 38/130頁
文件大小: 1541K
代理商: 68HC05M68HC
Operating Modes
Advance Information
MC68HC705P6A
Rev. 2.0
38
Operating Modes
MOTOROLA
Figure 3-2. STOP/WAIT Flowcharts
1.
FETCH RESET VECTOR
OR
SERVICE INTERRUPT
A.
STACK
B.
SET I BIT
C.
VECTOR TO INTERRUPT ROUTINE
2.
WAIT
MOR
SWAIT
BIT SET
Y
N
EXTERNAL
RESET
Y
N
IRQ
EXTERNAL
INTERRUPT
Y
N
STOP EXTERNAL OSCILLATOR,
STOP INTERNAL TIMER CLOCK,
RESET STARTUP 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
EXTERNAL
RESET
Y
N
STOP
HALT
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
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