PIC18F248-E/L MICROCHIP [Microchip Technology], PIC18F248-E/L Datasheet - Page 275

• Manufacturer Part Number: PIC18F248-E/L
• Description: 28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module
• Manufacturer: MICROCHIP [Microchip Technology]

24.2.2
The WDT has a postscaler that can extend the WDT
Reset period. The postscaler is selected at the time of
device programming by the value written to the
CONFIG2H Configuration register.
FIGURE 24-1:
TABLE 24-2:
© 2006 Microchip Technology Inc.
CONFIG2H
RCON
WDTCON
Legend: Shaded cells are not used by the Watchdog Timer.
Name
WDT POSTSCALER
Note:
WDTEN
Configuration bit
SUMMARY OF WATCHDOG TIMER REGISTERS
IPEN
Bit 7
—
—
WDTPS2:WDTPS0 are bits in register CONFIG2H.
WDT Timer
WATCHDOG TIMER BLOCK DIAGRAM
Bit 6
SWDTEN bit
—
—
—
Bit 5
—
—
—
Bit 4
—
RI
—
8-to-1 MUX
Postscaler
WDTPS2
Time-out
WDT
Bit 3
TO
—
8
WDTPS1
Bit 2
PD
—
WDTPS2:WDTPS0
PIC18FXX8
WDTPS0
Bit 1
POR
—
DS41159E-page 273
SWDTEN
WDTEN
Bit 0
BOR