參數(shù)資料
型號: MC68HC08KH12A
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: Microcontrollers
中文描述: 微控制器
文件頁數(shù): 143/178頁
文件大小: 925K
代理商: MC68HC08KH12A
I/O Signals
MC68HC08KH12A Data Sheet, Rev. 1.1
Freescale Semiconductor
143
13.3.4 Internal Reset
An internal reset clears the SIM counter and the COP counter.
13.3.5 Reset Vector Fetch
A reset vector fetch occurs when the vector address appears on the data bus. A reset vector fetch clears
the SIM counter.
13.3.6 COPD (COP Disable)
The COPD signal reflects the state of the COP disable bit (COPD) in the configuration register (CONFIG).
See
Figure 13-3
.
13.3.7 COPRS (COP Rate Select)
The COPRS signal reflects the state of the COP rate select bit (COPRS) in the configuration register. See
Figure 13-3
.
COPRS — COP Rate Select Bit
COPRS selects the COP timeout period. Reset clears COPRS.
1 = COP reset cycle is (2
13
–2
4
)
×
CGMXCLK
0 = COP reset cycle is (2
18
–2
4
)
×
CGMXCLK
COPD — COP Disable Bit
COPD disables the COP module.
1 = COP module disabled
0 = COP module enabled
Address:
$001F
Bit 7
0
6
0
5
0
4
0
3
2
1
Bit 0
Read:
SSREC
COPRS
STOP
COPD
Write:
Reset:
0
0
0
0
0
0
0
0
= Unimplemented
This is a write-once after reset register.
(See
Chapter 5 Configuration Register (CONFIG)
.)
Figure 13-3. Configuration Register (CONFIG)
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