MC68HC705P9CDW FREESCALE [Freescale Semiconductor, Inc], MC68HC705P9CDW Datasheet - Page 77

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

MC68HC705P9 — Rev. 4.0
MOTOROLA
Figure 6-2
instruction.
Freescale Semiconductor, Inc.
For More Information On This Product,
NO
shows the sequence of events caused by the STOP
Go to: www.freescale.com
CLEAR I BIT IN CCR
CLEAR TIMER INTERRUPT FLAGS AND TIMER INTERRUPT ENABLE BITS
CLEAR TIMER PRESCALER
TURN OFF OSCILLATOR
Figure 6-2. STOP Instruction Flowchart
Low Power Modes
INTERRUPT?
YES
EXTERNAL
(1) LOAD PC WITH RESET VECTOR
(2) SERVICE INTERRUPT
NO
a. SAVE CPU REGISTERS ON STACK
b. SET I BIT IN CCR
c. LOAD PC WITH INTERRUPT VECTOR
TURN ON OSCILLATOR
DELAY 4064 CYCLES
OR
TO STABILIZE
YES
RESET?
STOP
Low Power Modes
Technical Data
Stop Mode
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