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PIC16F684_07 Datasheet, PDF (18/192 Pages) Microchip Technology – 14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology | |||
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PIC16F684
2.2.2.6 PCON Register
The Power Control (PCON) register (see Table 12-2)
contains flag bits 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 Ultra Low-Power
Wake-up and software enable of the BOR.
The PCON register bits are shown in Register 2-6.
REGISTER 2-6: PCON: POWER CONTROL REGISTER
U-0
â
bit 7
U-0
R/W-0
R/W-1
U-0
â
ULPWUE SBOREN
â
U-0
R/W-0
R/W-x
â
POR
BOR
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5
bit 4
bit 3-2
bit 1
bit 0
Unimplemented: Read as â0â
ULPWUE: Ultra Low-Power Wake-Up Enable bit
1 = Ultra Low-Power Wake-up enabled
0 = Ultra Low-Power Wake-up disabled
SBOREN: Software BOR Enable bit(1)
1 = BOR enabled
0 = BOR disabled
Unimplemented: Read as â0â
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)
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: BOREN<1:0> = 01 in the Configuration Word register for this bit to control the BOR.
DS41202F-page 16
© 2007 Microchip Technology Inc.
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