PIC16CR74ESLASHP datasheet(27/172 Pages) MICROCHIP

27 / 172 page

DS21993C-page 25

PIC16CR7X

2.2.2.8

PCON Register

The Power Control (PCON) register contains flag bits

to allow differentiation between a Power-on Reset

(POR), a Brown-out Reset (BOR), a Watchdog Reset

(WDT) and an external MCLR Reset.

Note:

BOR is unknown on POR. It must be set by

the user and checked on subsequent

Resets to see if BOR is clear, indicating a

brown-out has occurred. The BOR Status

bit is not predictable if the brown-out circuit

is disabled (by clearing the BOREN bit in

the Configuration Word).

PCON: (ADDRESS 8Eh)

U-0

R/W-0

R/W-1

—

POR

BOR

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 7-2

Unimplemented: Read as ‘0’

bit 1

POR: Power-on Reset Status bit

= No Power-on Reset occurred

= A Power-on Reset occurred (must be set in software after a Power-on Reset occurs)

bit 0

BOR: Brown-out Reset Status bit

= No Brown-out Reset occurred

= A Brown-out Reset occurred (must be set in software after a Brown-out Reset occurs)

PIC16CR74E/P Datasheet(PDF) 27 Page - Microchip Technology

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