Microchip Technology MA160014 Data Sheet
2010-2012 Microchip Technology Inc.
DS41412F-page 367
PIC18(L)F2X/4XK22
24.3.1
CONTROL REGISTER
shows the WDTCON register. This is a
readable and writable register which contains a control
bit that allows software to override the WDT enable
Configuration bit, but only if the Configuration bit has
disabled the WDT.
bit that allows software to override the WDT enable
Configuration bit, but only if the Configuration bit has
disabled the WDT.
24.4
Register Definitions: WDT Control
TABLE 24-4:
CONFIGURATION REGISTERS ASSOCIATED WITH WATCHDOG TIMER
REGISTER 24-14: WDTCON: WATCHDOG TIMER CONTROL REGISTER
U-0
U-0
U-0
U-0
U-0
U-0
U-0
R/W-0
—
—
—
—
—
—
—
SWDTEN
(1)
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-1
Unimplemented: Read as ‘0’
bit 0
SWDTEN: Software Enable or Disable the Watchdog Timer bit
(1)
1
= WDT is turned on
0
= WDT is turned off (Reset value)
Note 1:
This bit has no effect if the Configuration bit, WDTEN, is enabled.
TABLE 24-3:
REGISTERS ASSOCIATED WITH WATCHDOG TIMER
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on Page
RCON
IPEN
SBOREN
—
RI
TO
PD
POR
BOR
WDTCON
—
—
—
—
—
—
—
SWDTEN
Legend: — = unimplemented, read as ‘0’. Shaded bits are not used by the Watchdog Timer.
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reset
Values
on Page
CONFIG2H
—
—
WDPS<3:0>
WDTEN<1:0>
Legend: — = unimplemented, read as ‘0’. Shaded bits are not used by the Watchdog Timer.