PIC16F631-I/P Microchip Technology Inc., PIC16F631-I/P Datasheet - Page 45

• Manufacturer Part Number: PIC16F631-I/P
• Description: MCU, 8-Bit, 1KW Flash, 64 RAM, 18 I/O, PDIP-20
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F631-I/P

• Comparators: 2
• Cpu Speed: 5 MIPS
• Eeprom Memory: 128 Bytes
• Input Output: 18
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 20-pin PDIP
• Programmable Memory: 1.75K Bytes
• Ram Size: 64 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit, 1-16-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

2.2.2.8
The Power Control (PCON) register (see Register 2-8)
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.
REGISTER 2-8:
© 2007 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-6
bit 5
bit 4
bit 3-2
bit 1
bit 0
Note 1:
U-0
—
BOREN<1:0> = 01 in the Configuration Word register for this bit to control the BOR.
PCON Register
Unimplemented: Read as ‘0’
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 = BOR enabled
0 = BOR disabled
Unimplemented: Read as ‘0’
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 Brown-out Reset occurs)
U-0
—
PCON: POWER CONTROL REGISTER
W = Writable bit
‘1’ = Bit is set
ULPWUE
R/W-0
PIC16F631/677/685/687/689/690
SBOREN
R/W-1
(1)
(1)
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
U-0
—
U-0
—
x = Bit is unknown
R/W-0
POR
DS41262D-page 43
R/W-x
BOR
bit 0