PIC18C658 MICROCHIP [Microchip Technology], PIC18C658 Datasheet - Page 256
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PIC18C658
Manufacturer Part Number
PIC18C658
Description
High-Performance Microcontrollers with CAN Module
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18C658.pdf
(366 pages)
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PIC18CXX8
22.2.2
The WDT has a postscaler that can extend the WDT
Reset period. The postscaler is selected at the time of
the device programming, by the value written to the
CONFIG2H configuration register.
FIGURE 22-1: WATCHDOG TIMER BLOCK DIAGRAM
TABLE 22-2:
DS30475A-page 256
CONFIG2H
RCON
WDTCON
Legend: Shaded cells are not used by the Watchdog Timer.
Name
Note: WDPS2:WDPS0 are bits in a configuration register.
WDT POSTSCALER
Configuration bit
WDTEN
SUMMARY OF WATCHDOG TIMER REGISTERS
IPEN
Bit 7
—
—
WDT Timer
LWRT
Bit 6
—
—
SWDTEN bit
Advanced Information
Bit 5
—
—
—
Bit 4
—
RI
—
WDTPS2
8 - to - 1 MUX
Postscaler
Bit 3
Time-out
TO
—
WDT
8
WDTPS2
Bit 2
PD
—
2000 Microchip Technology Inc.
WDTPS2:WDTPS0
WDTPS0
Bit 1
POR
—
SWDTEN
WDTEN
Bit 0
BOR
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