參數(shù)資料
型號: MC68HC05RC16P
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 70/122頁
文件大?。?/td> 2962K
代理商: MC68HC05RC16P
Resets
Internal Resets
MC68HC05RC16 — Rev. 3.0
General Release Specification
Resets
5.5.2.5 COP Register
The COP register is shared with the LSB of an unimplemented user
interrupt vector as shown in Figure 5-3. Reading this location returns
whatever user data has been programmed at this location. Writing a zero
to the COPR bit in this location clears the COP watchdog timer.
5.5.3 Illegal Address
An illegal address reset is generated when the CPU attempts to fetch an
instruction from I/O address space ($0000 to $001F).
Address:
$3FF0
BIt 7
654321
Bit 0
Read:
X
Write:
COPR
Reset:
———————
0
= Unimplemented
Figure 5-3. COP Watchdog Timer Location
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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