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HC705RC16GRS/D 数据表(PDF) 49 Page - NXP Semiconductors

部件名 HC705RC16GRS/D
功能描述  The MC68HC705RC16 is a low-cost addition to the M68HC05 Family of microcontrollers (MCUs) and is suitable for remote control applications.
PDF  120 Pages
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制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors

HC705RC16GRS/D 数据表(HTML) 49 Page - NXP Semiconductors

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Resets
Internal Resets
MC68HC705RC16 — 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:
$0FF)
BIt 7
654321
Bit 0
Read:
X
X
X
X
X
X
X
X
Write:
COPR
Reset:
———————
0
= Unimplemented
Figure 5-3. COP Watchdog Timer Location
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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