MC68HC705 MOTOROLA [Motorola, Inc], MC68HC705 Datasheet - Page 62

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MC68HC705

Manufacturer Part Number
MC68HC705
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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Resets
Technical Data
62
Address:
Address:
The programmable COP control register (COPCR) shown in
does these functions:
COPF — COP Flag
Reset:
Reset:
Read:
Write:
Read:
Write:
This read-only bit is set when a timeout of the programmable COP
watchdog occurs or when the clock monitor detects a slow or absent
internal clock. Clear the COPF bit by reading the COP control
register. Reset has no effect on the COPF bit.
Figure 5-3. Programmable COP Control Register (COPCR)
Figure 5-2. Programmable COP Reset Register (COPRST)
1 = COP timeout or internal clock failure
0 = No COP timeout and no internal clock failure
Flags programmable COP watchdog resets
Enables the clock monitor
Enables the programmable COP watchdog
Controls the timeout period of the programmable COP watchdog
$001D
$001E
Bit 7
Bit 7
Bit 7
U
0
0
= Unimplemented
= Unimplemented
U
6
6
6
0
0
Resets
U
5
5
5
0
0
COPF
U
U
4
4
4
U = Unaffected
U = Unaffected
CME
U
3
3
3
0
MC68HC705C8A — Rev. 2.0
PCOPE
U
2
2
2
0
CM1
U
1
1
1
0
Figure 5-3
MOTOROLA
CM0
Bit 0
Bit 0
Bit 0
U
0

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