Features Configuration Bits RAM map SFR map

PIC16F884
CONFIG1 (address:0x2007, mask:0x3FFF, default:0x3FFF)
FOSC -- Oscillator Selection bits (bitmask:0x0007)
FOSC = LP | 0x3FF8 | LP oscillator: Low-power crystal on RA6/OSC2/CLKOUT and RA7/OSC1/CLKIN.
FOSC = XT | 0x3FF9 | XT oscillator: Crystal/resonator on RA6/OSC2/CLKOUT and RA7/OSC1/CLKIN.
FOSC = HS | 0x3FFA | HS oscillator: High-speed crystal/resonator on RA6/OSC2/CLKOUT and RA7/OSC1/CLKIN.
FOSC = EC | 0x3FFB | EC: I/O function on RA6/OSC2/CLKOUT pin, CLKIN on RA7/OSC1/CLKIN.
FOSC = INTRC_NOCLKOUT | 0x3FFC | INTOSCIO oscillator: I/O function on RA6/OSC2/CLKOUT pin, I/O function on RA7/OSC1/CLKIN.
FOSC = INTRC_CLKOUT | 0x3FFD | INTOSC oscillator: CLKOUT function on RA6/OSC2/CLKOUT pin, I/O function on RA7/OSC1/CLKIN.
FOSC = EXTRC_NOCLKOUT | 0x3FFE | RCIO oscillator: I/O function on RA6/OSC2/CLKOUT pin, RC on RA7/OSC1/CLKIN.
FOSC = EXTRC_CLKOUT | 0x3FFF | RC oscillator: CLKOUT function on RA6/OSC2/CLKOUT pin, RC on RA7/OSC1/CLKIN.
WDTE -- Watchdog Timer Enable bit (bitmask:0x0008)
WDTE = OFF | 0x3FF7 | WDT disabled and can be enabled by SWDTEN bit of the WDTCON register.
WDTE = ON | 0x3FFF | WDT enabled.
PWRTE -- Power-up Timer Enable bit (bitmask:0x0010)
PWRTE = ON | 0x3FEF | PWRT enabled.
PWRTE = OFF | 0x3FFF | PWRT disabled.
MCLRE -- RE3/MCLR pin function select bit (bitmask:0x0020)
MCLRE = OFF | 0x3FDF | RE3/MCLR pin function is digital input, MCLR internally tied to VDD.
MCLRE = ON | 0x3FFF | RE3/MCLR pin function is MCLR.
CP -- Code Protection bit (bitmask:0x0040)
CP = ON | 0x3FBF | Program memory code protection is enabled.
CP = OFF | 0x3FFF | Program memory code protection is disabled.
CPD -- Data Code Protection bit (bitmask:0x0080)
CPD = ON | 0x3F7F | Data memory code protection is enabled.
CPD = OFF | 0x3FFF | Data memory code protection is disabled.
BOREN -- Brown Out Reset Selection bits (bitmask:0x0300)
BOREN = OFF | 0x3CFF | BOR disabled.
BOREN = SBODEN | 0x3DFF | BOR controlled by SBOREN bit of the PCON register.
BOREN = NSLEEP | 0x3EFF | BOR enabled during operation and disabled in Sleep.
BOREN = ON | 0x3FFF | BOR enabled.
IESO -- Internal External Switchover bit (bitmask:0x0400)
IESO = OFF | 0x3BFF | Internal/External Switchover mode is disabled.
IESO = ON | 0x3FFF | Internal/External Switchover mode is enabled.
FCMEN -- Fail-Safe Clock Monitor Enabled bit (bitmask:0x0800)
FCMEN = OFF | 0x37FF | Fail-Safe Clock Monitor is disabled.
FCMEN = ON | 0x3FFF | Fail-Safe Clock Monitor is enabled.
LVP -- Low Voltage Programming Enable bit (bitmask:0x1000)
LVP = OFF | 0x2FFF | RB3 pin has digital I/O, HV on MCLR must be used for programming.
LVP = ON | 0x3FFF | RB3/PGM pin has PGM function, low voltage programming enabled.
DEBUG -- In-Circuit Debugger Mode bit (bitmask:0x2000)
DEBUG = ON | 0x1FFF | In_Circuit Debugger enabled, RB6/ICSPCLK and RB7/ICSPDAT are dedicated to the debugger.
DEBUG = OFF | 0x3FFF | In-Circuit Debugger disabled, RB6/ICSPCLK and RB7/ICSPDAT are general purpose I/O pins.
CONFIG2 (address:0x2008, mask:0x0700, default:0x0700)
BOR4V -- Brown-out Reset Selection bit (bitmask:0x0100)
BOR4V = BOR21V | 0x3EFF | Brown-out Reset set to 2.1V.
BOR4V = BOR40V | 0x3FFF | Brown-out Reset set to 4.0V.
WRT -- Flash Program Memory Self Write Enable bits (bitmask:0x0600)
WRT = HALF | 0x39FF | 0000h to 07FFh write protected, 0800h to 0FFFh may be modified by EECON control.
WRT = 1FOURTH | 0x3BFF | 0000h to 03FFh write protected, 0400h to 0FFFh may be modified by EECON control.
WRT = 256 | 0x3DFF | 0000h to 00FFh write protected, 0100h to 0FFFh may be modified by EECON control.
WRT = OFF | 0x3FFF | Write protection off.

This page generated automatically by the device-help.pl program (2022-01-30 15:56:09 UTC) from the 8bit_device.info file (rev: 1.44) of mpasmx and from the gputils source package (rev: svn Unversioned directory). The mpasmx is included in the MPLAB X.