Microchip Technology AC244045 Data Sheet
© 2009 Microchip Technology Inc.
DS41341E-page 29
PIC16F72X/PIC16LF72X
2.2.2.3
PCON Register
The Power Control (PCON) register contains flag bits
(refer to Table 3-2) to differentiate between a:
(refer to Table 3-2) to differentiate between a:
• Power-on Reset (POR)
• Brown-out Reset (BOR)
• Watchdog Timer Reset (WDT)
• External MCLR Reset
The PCON register also controls the software enable of
the BOR.
the BOR.
The PCON register bits are shown in Register 2-3.
REGISTER 2-3:
PCON: POWER CONTROL REGISTER
U-0
U-0
U-0
U-0
U-0
U-0
R/W-q
R/W-q
—
—
—
—
—
—
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
q = Value depends on condition
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 Power-on Reset or Brown-out Reset
occurs)
Note 1:
Set BOREN<1:0> = 01 in the Configuration Word register for this bit to control the BOR.