mc68hc908qf4 Freescale Semiconductor, Inc, mc68hc908qf4 Datasheet - Page 55

• Manufacturer Part Number: mc68hc908qf4
• Description: M68hc08 Microcontrollers Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

6.1 Introduction
6.2 Functional Description
MC68HC908QF4 — Rev. 1.0
MOTOROLA
Data Sheet — MC68HC908QF4
COP DISABLE (FROM CONFIG1)
INTERNAL RESET SOURCES
(COPRS FROM CONFIG1)
COP RATE SELECT
STOP INSTRUCTION
COPEN (FROM SIM)
COPCTL WRITE
COPCTL WRITE
BUSCLKX4
The computer operating properly (COP) module contains a free-running counter
that generates a reset if allowed to overflow. The COP module helps software
recover from runaway code. Prevent a COP reset by clearing the COP counter
periodically. The COP module can be disabled through the COPD bit in the
configuration 1 (CONFIG1) register.
RESET
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 6-1. COP Block Diagram
COP CLOCK
12-BIT SIM COUNTER
Computer Operating Properly (COP)
Section 6. Computer Operating Properly (COP)
Go to: www.freescale.com
COP COUNTER
6-BIT COP COUNTER
CLEAR
RESET STATUS REGISTER
RESET CIRCUIT
Data Sheet
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