mc68hc908rf2 Freescale Semiconductor, Inc, mc68hc908rf2 Datasheet - Page 47

• Manufacturer Part Number: mc68hc908rf2
• Description: M68hc08 Microcontrollers Microcontroller / Transmitter
• Manufacturer: Freescale Semiconductor, Inc

Data Sheet — MC68HC908RF2
4.1 Introduction
4.2 Functional Description
MC68HC908RF2 — Rev. 4.0
MOTOROLA
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 periodically clearing the COP
counter.
INTERNAL RESET SOURCES
RESET VECTOR FETCH
COPRS FROM CONFIG
COPD FROM CONFIG
Freescale Semiconductor, Inc.
Section 4. Computer Operating Properly Module (COP)
STOP INSTRUCTION
For More Information On This Product,
COPCTL WRITE
COPCTL WRITE
Computer Operating Properly Module (COP)
CGMXCLK
RESET
Go to: www.freescale.com
Figure 4-1. COP Block Diagram
12-BIT COP PRESCALER
CLEAR COP
COUNTER
6-BIT COP COUNTER
RESET
RESET STATUS
REGISTER
Data Sheet
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