MC68HC705J1AC FREESCALE [Freescale Semiconductor, Inc], MC68HC705J1AC Datasheet - Page 86
MC68HC705J1AC
Manufacturer Part Number
MC68HC705J1AC
Description
Microcontrollers
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC68HC705J1AC.pdf
(162 pages)
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Low-Power Modes
Technical Data
CLEAR TOF, RTIF, TOIE, AND RTIE BITS IN TSCR
INTERRUPT?
EXTERNAL
EXTERNAL
RESET?
TURN OFF INTERNAL OSCILLATOR
NO
NO
TURN ON INTERNAL OSCILLATOR
RESET STABILIZATION TIMER
SET IRQE BIT IN ISCR
CLEAR I BIT IN CCR
BIT SET?
YES
YES
STABILIZATION
SWAIT
STOP
END OF
DELAY?
NO
Freescale Semiconductor, Inc.
NO
Figure 5-2. Stop/Halt/Wait Flowchart
For More Information On This Product,
1. LOAD PC WITH RESET VECTOR
2. SERVICE INTERRUPT
a. SAVE CPU REGISTERS ON STACK
b. SET I BIT IN CCR
c. LOAD PC WITH INTERRUPT VECTOR
YES
YES
Go to: www.freescale.com
TURN ON CPU CLOCK
Low-Power Modes
OR
YES
YES
YES
YES
TURN OFF CPU CLOCK
TIMER CLOCK ACTIVE
SET IRQE BIT IN ISCR
CLEAR I BIT IN CCR
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
RESET?
RESET?
TIMER
HALT
COP
NO
NO
NO
NO
YES
YES
YES
YES
MC68HC705J1A — Rev. 4.0
TURN OFF CPU CLOCK
TIMER CLOCK ACTIVE
SET IRQE BIT IN ISCR
CLEAR I BIT IN CCR
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
RESET?
RESET?
TIMER
WAIT
COP
NO
NO
NO
NO