PIC16F873-20/SP Microchip Technology Inc., PIC16F873-20/SP Datasheet - Page 27
![no-image](/images/manufacturer_photos/0/4/440/microchip_technology_inc__sml.jpg)
PIC16F873-20/SP
Manufacturer Part Number
PIC16F873-20/SP
Description
28 PIN, 7 KB FLASH, 192 RAM, 22 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16F873-20SP.pdf
(218 pages)
Specifications of PIC16F873-20/SP
A/d Inputs
5-Channel, 10-Bit
Comparators
2
Cpu Speed
5 MIPS
Eeprom Memory
128 Bytes
Input Output
22
Interface
I2C/SPI/USART
Memory Type
Flash
Number Of Bits
8
Package Type
28-pin SPDIP
Programmable Memory
7K Bytes
Ram Size
192 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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
PIC16F873-20/SP
Manufacturer:
MIC
Quantity:
20 000
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- Download datasheet (4Mb)
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:
2001 Microchip Technology Inc.
bit 7-2
bit 1
bit 0
PCON Register
PCON REGISTER (ADDRESS 8Eh)
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)
bit 7
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
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
—
U-0
—
PIC16F87X
x = Bit is unknown
R/W-0
POR
DS30292C-page 25
R/W-1
BOR
bit 0
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