MC68HC908AP16CFA MOTOROLA [Motorola, Inc], MC68HC908AP16CFA Datasheet - Page 395
MC68HC908AP16CFA
Manufacturer Part Number
MC68HC908AP16CFA
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC908AP16CFA.pdf
(440 pages)
- Current page: 395 of 440
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21.1 Introduction
21.2 Functional Description
MC68HC908AP Family — Rev. 2.5
MOTOROLA
Data Sheet – MC68HC908AP Family
INTERNAL RESET SOURCES
(COPRS FROM CONFIG1)
(COPD FROM CONFIG1)
RESET VECTOR FETCH
STOP INSTRUCTION
COPEN (FROM SIM)
COPCTL WRITE
COPCTL WRITE
Section 21. Computer Operating Properly (COP)
COP RATE SEL
COP DISABLE
RESET
ICLK
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 register 1 (CONFIG1).
Figure 21-1
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 21-1. COP Block Diagram
12-BIT COP PRESCALER
Go to: www.freescale.com
shows the structure of the COP module.
COP CLOCK
COP COUNTER
6-BIT COP COUNTER
CLEAR
RESET STATUS REGISTER
RESET CIRCUIT
Data Sheet
395
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