參數(shù)資料
型號: MC68HC05LJ5P
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, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 30/81頁
文件大小: 905K
代理商: MC68HC05LJ5P
GENERAL RELEASE SPECIFICATION
November 10, 1998
MOTOROLA
LOW POWER MODES
MC68HC05LJ5
6-2
REV 1
NOTE
Execution of the STOP instruction with the STOP Mode Mask Option will cause
the oscillator to stop and therefore disable the COP Watchdog Timer. If the COP
Watchdog Timer is to be used, the STOP Mode should be changed to the HALT
Mode by choosing the appropriate mask option. See Section 6.4 for more details.
Figure 6-1. STOP/HALT/WAIT Flowcharts
1.
Fetch Reset Vector
or
2.
Service Interrupt
a.
Stack
b.
Set I-Bit
c.
Vector to Interrupt Routine
WAIT
Stop
Conversion to
Halt?
Y
N
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,
and set IRQE in ICSR
End
of Stabilization
Delay?
Y
N
IRQ
External
Interrupt?
Y
N
External Oscillator Active
and
Internal Timer Clock Active
Restart
Internal Processor Clock
TIMER
Internal
Interrupt?
Y
N
External
RESET?
Y
N
STOP
HALT
External
RESET?
Y
N
IRQ
External
Interrupt?
Y
N
External Oscillator Active
and
Internal Timer Clock Active
TIMER
Internal
Interrupt?
Y
N
COP
Internal
RESET?
Y
N
COP
Internal
RESET?
Y
N
Stop Internal Processor Clock,
Clear I-Bit in CCR,
and set IRQE in ICSR
Stop Internal Processor Clock,
Clear I-Bit in CCR,
and set IRQE in ICSR
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