PIC16LF720 View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC16LF720

20-Pin Flash Microcontrollers

Microchip Technology 

PIC16(L)F720/721

3.4.2 WDT CONTROL

The WDTEN bit is located in the Configuration Word

Register 1. When set, the WDT runs continuously.

The PSA and PS<2:0> bits of the OPTION_REG

register control the WDT period. See Section 12.0

“Timer0 Module” for more information.

FIGURE 3-3: WATCHDOG TIMER BLOCK DIAGRAM

T1GSS = 11

TMR1GE

WDTEN

From TMR0

Clock Source

Low-Power

WDT OSC

0

Divide by

512

1

PSA

TABLE 3-3: WDT STATUS

Conditions

WDTEN = 0

CLRWDT Command

Exit Sleep + System Clock = INTOSC, EXTCLK

Postscaler

8

0

1

To T1G

WDTEN

PS<2:0>

TO TMR0

WDT Reset

WDT

Cleared

DS41430D-page 28

 2010-2013 Microchip Technology Inc.

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