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ROM
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EEPROM
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Common
SFRs
Features Configuration Bits RAM map SFR map
PIC16F870
CONFIG (address:0x2007, mask:0x3BFF, default:0x3BFF)
FOSC -- Oscillator Selection bits (bitmask:0x0003)
FOSC = LP 0x3FFC LP oscillator.
FOSC = XT 0x3FFD XT oscillator.
FOSC = HS 0x3FFE HS oscillator.
FOSC = EXTRC 0x3FFF RC oscillator.
WDTE -- Watchdog Timer Enable bit (bitmask:0x0004)
WDTE = OFF 0x3FFB WDT disabled.
WDTE = ON 0x3FFF WDT enabled.
PWRTE -- Power-up Timer Enable bit (bitmask:0x0008)
PWRTE = ON 0x3FF7 PWRT enabled.
PWRTE = OFF 0x3FFF PWRT disabled.
BOREN -- Brown-out Reset Enable bit (bitmask:0x0040)
BOREN = OFF 0x3FBF BOR disabled.
BOREN = ON 0x3FFF BOR enabled.
LVP -- Low Voltage In-Circuit Serial Programming Enable bit (bitmask:0x0080)
LVP = OFF 0x3F7F RB3 is digital I/O, HV on MCLR must be used for programming.
LVP = ON 0x3FFF RB3/PGM pin has PGM function; low-voltage programming enabled.
CPD -- Data EE Memory Code Protection (bitmask:0x0100)
CPD = ON 0x3EFF Data EEPROM memory code-protected.
CPD = OFF 0x3FFF Code Protection off.
WRT -- FLASH Program Memory Write Enable (bitmask:0x0200)
WRT = OFF 0x3DFF Unprotected program memory may not be written to by EECON control.
WRT = ALL 0x3FFF Unprotected program memory may be written to by EECON control.
DEBUG -- In-Circuit Debugger Mode bit (bitmask:0x0800)
DEBUG = ON 0x37FF In-Circuit Debugger enabled, RB6 and RB7 are dedicated to the debugger.
DEBUG = OFF 0x3FFF In-Circuit Debugger disabled, RB6 and RB7 are general purpose I/O pins.
CP -- FLASH Program Memory Code Protection bits (bitmask:0x3030)
CP = ON 0x0FCF All memory code protected.
CP = OFF 0x3FFF Code protection off.

This page generated automatically by the device-help.pl program (2017-05-13 09:29:46 UTC) from the 8bit_device.info file (rev: 1.36) of mpasmx and from the gputils source package (rev: svn 1308). The mpasmx is included in the MPLAB X.