參數(shù)資料
型號(hào): MC68HC05J1
廠商: Motorola, Inc.
英文描述: HCMOS MICROCONTROLLER UNIT
中文描述: HCMOS微控制器
文件頁(yè)數(shù): 28/82頁(yè)
文件大?。?/td> 327K
代理商: MC68HC05J1
MOTOROLA
4-6
CENTRAL PROCESSOR UNIT
MC68HC705J2
Rev. 2
1
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Figure 4-2
shows the sequence of events caused by the STOP instruction.
Figure 4-2. STOP Instruction Flowchart
(1) FETCH RESET VECTOR or
(2) SERVICE INTERRUPT.
a. SAVE CPU REGISTERS ON STACK.
b. SET CCR INTERRUPT MASK.
c. VECTOR TO INTERRUPT
SERVICE ROUTINE.
YES
RESET
YES
NO
EXTERNAL
INTERRUPT
NO
STOP
CLEAR TIMER INTERRUPT FLAGS AND
TIMER INTERRUPT ENABLE BITS.
CLEAR TIMER PRESCALER.
CLEAR CCR INTERRUPT MASK.
STOP OSCILLATOR.
TURN ON OSCILLATOR.
DELAY 4064 CYCLES
TO STABILIZE.
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