PIC18F23K20-ESLASHML datasheet(309/456 Pages) MICROCHIP

309 / 456 page

 2010 Microchip Technology Inc.

DS41303G-page 309

PIC18F2XK20/4XK20

23.2.1

CONTROL REGISTER

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.

TABLE 23-2:

SUMMARY OF WATCHDOG TIMER REGISTERS

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)

= WDT is turned on

= WDT is turned off (Reset value)

Note 1: This bit has no effect if the Configuration bit, WDTEN, is enabled.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Reset

Values

on page

RCON

IPEN

SBOREN

—

POR

BOR

WDTCON

—

—SWDTEN

CONFIG2H

WDTPS3 WDTPS2 WDTPS1 WDTPS0

WDTEN

302

Legend: — = unimplemented, read as ‘0’. Shaded cells are not used by the Watchdog Timer.

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