MC68HC05P9ACDW FREESCALE [Freescale Semiconductor, Inc], MC68HC05P9ACDW Datasheet - Page 62

• Manufacturer Part Number: MC68HC05P9ACDW
• Description: HCMOS Microcontroller Unit
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Low-Power Modes
62
STOP INTERNAL TIMER CLOCK,
STOP EXTERNAL OSCILLATOR,
RESET STARTUP DELAY
PROCESSOR CLOCK,
CLEAR I BIT IN CCR
STOP INTERNAL
INTERRUPT?
EXTERNAL
EXTERNAL
BIT SET?
RESET?
N
N
N
SWAIT
STOP
MOR
IRQ
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 25. STOP/HALT Flowcharts
RESTART EXTERNAL OSCILLATOR,
Y
Y
Y
START STABILIZATION DELAY
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OF STABILIZATION
Low-Power Modes
N
DELAY?
END
1.
2.
FETCH RESET VECTOR
SERVICE INTERRUPT
A. STACK
B. SET I BIT
C. VECTOR TO INTERRUPT ROUTINE
INTERNAL PROCESSOR CLOCK
OR
Y
RESTART
INTERNAL TIMER CLOCK ACTIVE
EXTERNAL OSCILLATOR ACTIVE
Y
Y
Y
Y
PROCESSOR CLOCK,
CLEAR I BIT IN CCR
STOP INTERNAL
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
INTERNAL
INTERNAL
RESET?
RESET?
TIMER
HALT
COP
AND
IRQ
N
N
N
N
8-mc68hc05p9a
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