Datasheet

PIC16C745/765
DS41124D-page 28 Preliminary  1999-2013 Microchip Technology Inc.
4.2.2.8 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.
REGISTER 4-8: POWER CONTROL REGISTER REGISTER (PCON: 8Eh)
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.
U-0 U-0 U-0 U-0 U-0 U-0 R/W-0 R/W-q
— — — — — —
POR
BOR
R = Readable bit
W = Writable bit
U = Unimplemented bit,
read as ‘0’
-n = Value at POR reset
bit7 bit0
bit 7-2: Unimplemented: Read as '0'
bit 1: POR
: Power-on Reset Status bit
1 = No Power-on Reset occurred
0 = A Power-on Reset occurred (must be set in software after a Power-on Reset occurs)
bit 0: BO
R: Brown-out Reset Status bit
1 = No Brown-out Reset occurred
0 = A Brown-out Reset occurred (must be set in software after a Brown-out Reset occurs)