PIC18C242 MICROCHIP [Microchip Technology], PIC18C242 Datasheet - Page 186

• Manufacturer Part Number: PIC18C242
• Description: High-Performance Microcontrollers with 10-Bit A/D
• Manufacturer: MICROCHIP [Microchip Technology]

PIC18CXX2
18.2.2
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 18-1: WATCHDOG TIMER BLOCK DIAGRAM
FIGURE 18-2: SUMMARY OF WATCHDOG TIMER REGISTERS
DS39026B-page 186
Name
CONFIG2H
RCON
WDTCON
Legend: Shaded cells are not used by the Watchdog Timer.
WDT POSTSCALER
Note: WDPS2:WDPS0 are bits in a configuration register.
Configuration bit
WDTEN
IPEN
Bit 7
—
—
WDT Timer
LWRT
Bit 6
—
—
SWDTEN bit
Bit 5
—
—
—
Bit 4
—
RI
—
Preliminary
WDTPS2
Bit 3
TO
—
8 - to - 1 MUX
WDTPS2
Postscaler
Time-out
Bit 2
WDT
PD
—
8
WDTPS0
Bit 1
POR
—
7/99 Microchip Technology Inc.
WDTPS2:WDTPS0
SWDTEN
WDTEN
Bit 0
BOR