MC68HC705P9CDW FREESCALE [Freescale Semiconductor, Inc], MC68HC705P9CDW Datasheet - Page 98

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

Computer Operating Properly Watchdog (COP)
8.7 Low-Power Modes
8.7.1 Stop Mode
8.7.2 Wait Mode
Technical Data
98
The STOP and WAIT instructions put the MCU in low-power
consumption standby modes.
The STOP instruction clears the COP watchdog counter. Upon exit from
stop mode by external reset:
Upon exit from stop mode by external interrupt:
The COP watchdog continues to operate normally after a WAIT
instruction. Software should periodically take the MCU out of wait mode
and write to the COPC bit to prevent a COP watchdog timeout.
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Freescale Semiconductor, Inc.
Computer Operating Properly Watchdog (COP)
For More Information On This Product,
The counter begins counting from $0000.
The counter is cleared again after the 4064-cycle oscillator
stabilization delay.
The counter begins counting from $0000.
The counter is not cleared again after the oscillator stabilization
delay and has a count of 4064 when the program resumes.
Go to: www.freescale.com
MC68HC705P9 — Rev. 4.0
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