PIC16F872-I/SP Microchip Technology Inc., PIC16F872-I/SP Datasheet - Page 90
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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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PIC16F872
REGISTER 11-1:
DS30221C-page 88
bit13
bit 13-12
bit 5-4
bit 11
bit 10
bit 9
bit 8
bit 7
bit 6
bit 3
bit 2
bit 1-0
R/P-1
CP1
R/P-1
CP0
CP1:CP0: FLASH Program Memory Code Protection bits
11 = Code protection off
10 = Not supported
01 = Not supported
00 = All memory code protected
DEBUG: In-Circuit Debugger Mode bit
1 = In-Circuit Debugger disabled, RB6 and RB7 are general purpose I/O pins
0 = In-Circuit Debugger enabled, RB6 and RB7 are dedicated to the debugger
Unimplemented: Read as ‘1’
WRT: FLASH Program Memory Write Enable bit
1 = Unprotected program memory may be written to by EECON control
0 = Unprotected program memory may not be written to by EECON control
CPD: Data EEPROM Memory Code Protection bit
1 = Code protection off
0 = Data EEPROM memory code protected
LVP: Low Voltage In-Circuit Serial Programming Enable bit
1 = RB3/PGM pin has PGM function, low voltage programming enabled
0 = RB3 is digital I/O, HV on MCLR must be used for programming
BODEN: Brown-out Reset Enable bit
1 = BOR enabled
0 = BOR disabled
PWRTE: Power-up Timer Enable bit
1 = PWRT disabled
0 = PWRT enabled
WDTE: Watchdog Timer Enable bit
1 = WDT enabled
0 = WDT disabled
FOSC1:FOSC0: Oscillator Selection bits
11 = RC oscillator
10 = HS oscillator
01 = XT oscillator
00 = LP oscillator
Note 1: The erased (unprogrammed) value of the configuration word is 3FFFh.
DEBUG
Legend:
R = Readable bit
- n = Value when device is unprogrammed
R/P-1
CONFIGURATION WORD (ADDRESS: 2007h)
2: All of the CP1:CP0 pairs have to be given the same value to enable the code protection
3: Enabling Brown-out Reset automatically enables Power-up Timer (PWRT), regardless of
scheme listed.
the value of bit PWRTE. Ensure the Power-up Timer is enabled any time Brown-out Reset
is enabled.
U-0
—
R/P-1 R/P-1 R/P-1
WRT
CPD
P = Programmable bit
LVP
(3)
(3)
BODEN
R/P-1
R/P-1
CP1
(2)
(1)
U = Unimplemented bit, read as ‘0’
u = Unchanged from programmed state
R/P-1
CP0
PWRTE WDTE F0SC1 F0SC0
R/P-1
© 2006 Microchip Technology Inc.
R/P-1
R/P-1
R/P-1
bit0