
PIC16C745/765
DS41124C-page 28
Preliminary
2000 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
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:
BOR: 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)
745cov.book Page 28 Wednesday, August 2, 2000 8:24 AM