參數(shù)資料
型號: MC68HC05C9A
廠商: Motorola, Inc.
元件分類: 8位微控制器
英文描述: 8-Bit Microcontroller(8位微控制器)
中文描述: 8位微控制器(8位微控制器)
文件頁數(shù): 46/160頁
文件大小: 783K
代理商: MC68HC05C9A
L
G
R
Resets
General Release Specification
MC68HC05C9A
Rev. 4.0
46
Resets
MOTOROLA
5.5 Computer Operating Properly (COP) Reset
This device includes a watchdog COP feature which guards against
program run-away failures. A timeout of the computer operating properly
(COP) timer generates a COP reset. The COP watchdog is a software
error detection system that automatically times out and resets the MCU
if not cleared periodically by a program sequence.
The COP is controlled with two registers; one to reset the COP timer and
the other to enable and control COP and clock monitor functions.
Figure
5-3
shows a block diagram of the COP.
Figure 5-3. COP Block Diagram
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2
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2
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13
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15
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17
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19
2
21
COPRST
CM0
CM1
16 BIT TIMER SYSTEM
INTERNAL
CPU
CLOCK
COP
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