MC68HC908AT32 Datasheet, PDF (128/378 Pages) Freescale Semiconductor, Inc – Microcontrollers

Computer Operating Properly Module (COP)
13.7.2 Stop Mode
Stop mode turns off the CGMXCLK input to the COP and clears the COP prescaler. Service the COP
immediately before entering or after exiting stop mode to ensure a full COP timeout period after entering
or exiting stop mode.
The STOP bit in the configuration register (CONFIG) enables the STOP instruction. To prevent
inadvertently turning off the COP with a STOP instruction, disable the STOP instruction by clearing the
STOP bit.
13.8 COP Module during Break Interrupts
The COP is disabled during a break interrupt when V_DD + V_Hi is present on the RST pin.
MC68HC908AT32 Data Sheet, Rev. 3.1
128
Freescale Semiconductor