PIC16F872-I/SP Microchip Technology Inc., PIC16F872-I/SP Datasheet - Page 21
PIC16F872-I/SP
Manufacturer Part Number
PIC16F872-I/SP
Description
28 PIN, 7 KB FLASH, 128 RAM, 22 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F872-ISP.pdf
(168 pages)
Specifications of PIC16F872-I/SP
A/d Inputs
5-Channel, 10-Bit
Cpu Speed
5 MIPS
Eeprom Memory
64 Bytes
Input Output
22
Interface
I2C/SPI
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SPDIP
Programmable Memory
3.5K Bytes
Ram Size
128 Bytes
Speed
20 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
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2.2.2.8
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 2-8:
© 2006 Microchip Technology Inc.
bit 7-2
bit 1
bit 0
PCON Register
PCON REGISTER (ADDRESS: 8Eh)
bit 7
Unimplemented: Read as '0'
1 = No Power-on Reset occurred
0 = A Power-on Reset occurred (must be set in software after a Power-on Reset occurs)
1 = No Brown-out Reset occurred
0 = A Brown-out Reset occurred (must be set in software after a Brown-out Reset occurs)
Legend:
R = Readable bit
- n = Value at POR
POR: Power-on Reset Status bit
BOR: Brown-out Reset Status bit
U-0
—
U-0
—
U-0
—
W = Writable bit
’1’ = Bit is set
U-0
—
Note:
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
U-0
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. The BOR status
bit is a don’t care and is not predictable if
the brown-out circuit is disabled (by clear-
ing the BODEN bit in the Configuration
Word).
—
U-0
—
PIC16F872
x = Bit is unknown
R/W-0
POR
DS30221C-page 19
R/W-1
BOR
bit 0
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