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PIC16F870/P Datasheet(PDF) 90 Page - Microchip Technology

Part # PIC16F870/P
Description  28/40-Pin 8-Bit CMOS FLASH Microcontrollers
PDF  156 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC16F870/P Datasheet(HTML) 90 Page - Microchip Technology

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PIC16F870/871
DS30569A-page 90
Preliminary
© 1999 Microchip Technology Inc.
REGISTER 11-1: CONFIGURATION WORD
CP1
CP0
DEBUG
—
WRT
CPD
LVP
BODEN
CP1
CP0
PWRTE
WDTE
F0SC1
F0SC0
Register: CONFIG
Address 2007h
bit13
bit0
bit 13-12:
bit 5-4:
CP<1:0>: Flash Program Memory Code Protection bits (2)
11
= Code protection off
10
= Not supported
01
= Not supported
00
= Code protection on
bit 11:
DEBUG: In-Circuit Debugger Mode
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.
bit 10:
Unimplemented: Read as ‘1’
bit 9:
WRT: Flash Program Memory Write Enable
1
= Unprotected program memory may be written to by EECON control
0
= Unprotected program memory may not be written to by EECON control
bit 8:
CPD: Data EE Memory Code Protection
1
= Code protection off
0
= Data EEPROM memory code protected
bit 7:
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
bit 6:
BODEN: Brown-out Reset Enable bit (1)
1
= BOR enabled
0
= BOR disabled
bit 3:
PWRTE: Power-up Timer Enable bit (1)
1
= PWRT disabled
0
= PWRT enabled
bit 2:
WDTE: Watchdog Timer Enable bit
1
= WDT enabled
0
= WDT disabled
bit 1-0:
FOSC1:FOSC0: Oscillator Selection bits
11
= RC oscillator
10
= HS oscillator
01
= XT oscillator
00
= LP oscillator
Note 1: Enabling Brown-out Reset automatically enables Power-up Timer (PWRT), regardless of the value of bit PWRTE. Ensure
the Power-up Timer is enabled anytime Brown-out Reset is enabled.
2: All of the CP<1:0> pairs have to be given the same value to enable the code protection scheme listed.



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