
2009 Microchip Technology Inc.
DS39636D-page 249
PIC18F2X1X/4X1X
REGISTER 22-14: WDTCON: WATCHDOG TIMER CONTROL REGISTER
TABLE 22-2:
SUMMARY OF WATCHDOG TIMER REGISTERS
U-0
R/W-0
—
—SWDTEN(1)
bit 7
bit 0
bit 7-1
Unimplemented: Read as ‘0’
bit 0
SWDTEN: Software Controlled Watchdog Timer Enable bit(1)
1 = Watchdog Timer is on
0 = Watchdog Timer is off
Note 1: This bit has no effect if the Configuration bit, WDTEN, is enabled.
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on page
RCON
IPEN
SBOREN(1)
—
RI
TO
PD
POR
BOR
WDTCON
—
—SWDTEN(2)
Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the Watchdog Timer.
Note 1:
The SBOREN bit is only available when the BOREN1:BOREN0 Configuration bits = 01; otherwise, it is
2:
This bit has no effect if the Configuration bit, WDTEN, is enabled.