MC68HC705C8ACS

Manufacturer Part NumberMC68HC705C8ACS
ManufacturerFreescale Semiconductor, Inc
MC68HC705C8ACS datasheet
 
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Freescale Semiconductor, Inc.
Low-Power Modes
Technical Data
74
STOP
CLEAR I BIT IN CCR
CLEAR COP COUNTER
TURN OFF INTERNAL OSCILLATOR
TURN OFF COP COUNTER
YES
EXTERNAL
RESET?
NO
NO
EXTERNAL
INTERRUPT?
YES
TURN ON INTERNAL OSCILLATOR
TURN ON COP WATCHDOG
YES
END OF
STABILIZATION
DELAY?
NO
TURN ON INTERNAL CLOCK
1. LOAD PC WITH RESET VECTOR
OR
2. SERVICE INTERRUPT:
a. SAVE CPU REGISTERS ON STACK
b. SET I BIT IN CCR
c. LOAD PC WITH INTERRUPT VECTOR
Figure 6-3. Non-Programmable COP Watchdog
in Stop Mode (NCOPE = 1) Flowchart
Low-Power Modes
For More Information On This Product,
Go to: www.freescale.com
TURN ON INTERNAL OSCILLATOR
TURN ON COP WATCHDOG
END OF
YES
STABILIZATION
DELAY?
NO
CLEAR COP COUNTER
TURN ON INTERNAL CLOCK
1. LOAD PC WITH RESET VECTOR
OR
2. SERVICE INTERRUPT:
a. SAVE CPU REGISTERS ON STACK
b. SET I BIT IN CCR
c. LOAD PC WITH INTERRUPT VECTOR
MC68HC705C8A — Rev. 3