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HC705RC16GRS/D Datasheet(PDF) 49 Page - NXP Semiconductors

Part # HC705RC16GRS/D
Description  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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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

HC705RC16GRS/D Datasheet(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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