PIC18F4580ISOSQTP 查看數據表（PDF） - Microchip Technology

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PIC18F4580ISOSQTP

28/40/44-Pin Enhanced Flash Microcontrollers with ECAN™ Technology, 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2480/2580/4480/4580

REGISTER 25-14: WDTCON: WATCHDOG TIMER CONTROL REGISTER

U-0

—

bit 7

U-0

U-0

U-0

U-0

U-0

—

—

—

—

—

U-0

R/W-0

—

SWDTEN(1)

bit 0

Legend:

R = Readable bit

-n = Value at POR

W = Writable bit

‘1’ = Bit is set

U = Unimplemented bit, read as ‘0’

‘0’ = Bit is cleared

x = Bit is unknown

bit 7-1

bit 0

Unimplemented: Read as ‘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.

TABLE 25-2: SUMMARY OF WATCHDOG TIMER REGISTERS

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

54

WDTCON

—

—

—

—

—

—

— SWDTEN 56

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

© 2009 Microchip Technology Inc.

DS39637D-page 359

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