PIC18F23K20-ESLASHML datasheet(302/456 Pages) MICROCHIP

302 / 456 page

PIC18F2XK20/4XK20

DS41303G-page 302

 2010 Microchip Technology Inc.

CONFIG2L: CONFIGURATION REGISTER 2 LOW

U-0

R/P-1

—

—BORV1(1)

BORV0(1)

BOREN1(2)

BOREN0(2)

PWRTEN(2)

bit 7

bit 0

Legend:

R = Readable bit

P = Programmable bit

U = Unimplemented bit, read as ‘0’

-n = Value when device is unprogrammed

x = Bit is unknown

bit 7-5

Unimplemented: Read as ‘0’

bit 4-3

BORV<1:0>: Brown-out Reset Voltage bits(1)

= VBOR set to 1.8V nominal

= VBOR set to 2.2V nominal

= VBOR set to 2.7V nominal

= VBOR set to 3.0V nominal

bit 2-1

BOREN<1:0>: Brown-out Reset Enable bits(2)

= Brown-out Reset enabled in hardware only (SBOREN is disabled)

= Brown-out Reset enabled in hardware only and disabled in Sleep mode

(SBOREN is disabled)

= Brown-out Reset enabled and controlled by software (SBOREN is enabled)

= Brown-out Reset disabled in hardware and software

bit 0

PWRTEN: Power-up Timer Enable bit(2)

= PWRT disabled

= PWRT enabled

Note

See Section 26.1 “DC Characteristics: Supply Voltage” for specifications.

The Power-up Timer is decoupled from Brown-out Reset, allowing these features to be independently controlled.

CONFIG2H: CONFIGURATION REGISTER 2 HIGH

U-0

R/P-1

—

WDTPS3

WDTPS2

WDTPS1

WDTPS0

WDTEN

bit 7

bit 0

Legend:

R = Readable bit

P = Programmable bit

U = Unimplemented bit, read as ‘0’

-n = Value when device is unprogrammed

x = Bit is unknown

bit 7-5

Unimplemented: Read as ‘0’

bit 4-1

WDTPS<3:0>: Watchdog Timer Postscale Select bits

1111

= 1:32,768

1110

= 1:16,384

1101

= 1:8,192

1100

= 1:4,096

1011

= 1:2,048

1010

= 1:1,024

1001

= 1:512

1000

= 1:256

0111

= 1:128

0110

= 1:64

0101

= 1:32

0100

= 1:16

0011

= 1:8

0010

= 1:4

0001

= 1:2

0000

= 1:1

bit 0

WDTEN: Watchdog Timer Enable bit

= WDT is always enabled. SWDTEN bit has no effect

= WDT is controlled by SWDTEN bit of the WDTCON register

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