PIC18LF4331 datasheet(275/392 Pages) MICROCHIP

Part #	PIC18LF4331

Description	28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High-Performance PWM and A/D

PDF	392 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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275 / 392 page

 2010 Microchip Technology Inc.

DS39616D-page 275

PIC18F2331/2431/4331/4431

TABLE 23-2:

SUMMARY OF WATCHDOG TIMER REGISTERS

R-0

U-0

R/W-0

WDTW

—

—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

WDTW:

Watchdog Timer Window bit

= WDT count is in fourth quadrant

= WDT count is not in fourth quadrant

bit 6-1

Unimplemented

: Read as ‘0’

bit 0

SWDTEN:

Software Enable/Disable for Watchdog Timer bit(1)

= WDT is turned on

= WDT is turned off

Note 1:

If the WDTEN Configuration bit = 1, then WDT is always enabled, irrespective of this control bit. If WDTEN

Configuration bit = 0, then it is possible to turn WDT on/off with this control bit.

Name

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

CONFIG2H

—

—WINEN

WDTPS3

WDTPS2

WDTPS0

WDTEN

RCON

IPEN

—

POR

BOR

WDTCON

WDTW

—

—SWDTEN

Legend:

Shaded cells are not used by the Watchdog Timer.

PIC18LF4331 Datasheet(PDF) 275 Page - Microchip Technology

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