MC68HC705P9CDW FREESCALE [Freescale Semiconductor, Inc], MC68HC705P9CDW Datasheet - Page 79

• Manufacturer Part Number: MC68HC705P9CDW
• Description: Microcontrollers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

MC68HC705P9 — Rev. 4.0
MOTOROLA
Figure 6-3
instruction.
Freescale Semiconductor, Inc.
For More Information On This Product,
shows the sequence of events caused by the WAIT
Go to: www.freescale.com
Figure 6-3. WAIT Instruction Flowchart
Low Power Modes
(1) FETCH RESET VECTOR
(2) SERVICE INTERRUPT
a. SAVE CPU REGISTERS ON STACK
b. SET I BIT IN CCR
c. VECTOR TO INTERRUPT SERVICE ROUTINE
OR
RESTART CPU CLOCK
CLEAR I BIT IN CCR
STOP CPU CLOCK
RESET?
WAIT
YES
YES
YES
OTHER ON-CHIP
INTERRUPT?
INTERRUPT?
EXTERNAL
INTERRUPT
SOURCES?
NO
TIMER
NO
NO
NO
Low Power Modes
Technical Data
Wait Mode
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