MC68HC908AB32 MOTOROLA [Motorola, Inc], MC68HC908AB32 Datasheet - Page 356

• Manufacturer Part Number: MC68HC908AB32
• Description: HCMOS Microcontroller Unit
• Manufacturer: MOTOROLA [Motorola, Inc]

Computer Operating Properly (COP)
20.4.5 Internal Reset
20.4.6 Reset Vector Fetch
20.4.7 COPD (COP Disable)
20.4.8 COPRS (COP Rate Select)
Technical Data
356
Address:
Reset:
An internal reset clears the COP prescaler and the COP counter.
A reset vector fetch occurs when the vector address appears on the data
bus. A reset vector fetch clears the COP prescaler.
The COPD signal reflects the state of the COP disable bit (COPD) in the
configuration register 1. (See
The COPRS signal reflects the state of the COP rate select bit (COPRS)
in the configuration register 1. (See
COPRS — COP Rate Select Bit
COPD — COP Disable Bit
Read:
Write:
COPRS selects the COP timeout period. Reset clears COPRS.
COPD disables the COP module.
Freescale Semiconductor, Inc.
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1 = COP timeout period is 2
0 = COP timeout period is 2
1 = COP module disabled
0 = COP module enabled
LVISTOP
$001F
Bit 7
Figure 20-2. Configuration Register 1 (CONFIG1)
R
Computer Operating Properly (COP)
0
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= Reserved
R
6
0
LVIRSTD LVIPWRD
5
0
Figure
18
13
4
0
Figure
– 2
– 2
20-2.)
4
4
SSREC
CGMXCLK cycles
CGMXCLK cycles
3
0
20-2.)
MC68HC908AB32
COPRS
2
0
STOP
1
0
MOTOROLA
—
Rev. 1.0
COPD
Bit 0
0