All Enhanced Extended Regular 12 bits 14 bits 16 bits RAM
size
ROM
size
EEPROM
size
Common
SFRs
Features Configuration Bits RAM map SFR map
PIC18F25K22
CONFIG1H (address:0x300001, mask:0xFF, default:0x25)
FOSC -- Oscillator Selection bits (bitmask:0x0F)
FOSC = LP 0xF0 LP oscillator.
FOSC = XT 0xF1 XT oscillator.
FOSC = HSHP 0xF2 HS oscillator (high power > 16 MHz).
FOSC = HSMP 0xF3 HS oscillator (medium power 4-16 MHz).
FOSC = ECHP 0xF4 EC oscillator, CLKOUT function on OSC2 (high power, >16 MHz).
FOSC = ECHPIO6 0xF5 EC oscillator (high power, >16 MHz).
FOSC = RC 0xF6 External RC oscillator, CLKOUT function on OSC2.
FOSC = RCIO6 0xF7 External RC oscillator.
FOSC = INTIO67 0xF8 Internal oscillator block.
FOSC = INTIO7 0xF9 Internal oscillator block, CLKOUT function on OSC2.
FOSC = ECMP 0xFA EC oscillator, CLKOUT function on OSC2 (medium power, 500 kHz-16 MHz).
FOSC = ECMPIO6 0xFB EC oscillator (medium power, 500 kHz-16 MHz).
FOSC = ECLP 0xFC EC oscillator, CLKOUT function on OSC2 (low power, <500 kHz).
FOSC = ECLPIO6 0xFD EC oscillator (low power, <500 kHz).
PLLCFG -- 4X PLL Enable (bitmask:0x10)
PLLCFG = OFF 0xEF Oscillator used directly.
PLLCFG = ON 0xFF Oscillator multiplied by 4.
PRICLKEN -- Primary clock enable bit (bitmask:0x20)
PRICLKEN = OFF 0xDF Primary clock can be disabled by software.
PRICLKEN = ON 0xFF Primary clock enabled.
FCMEN -- Fail-Safe Clock Monitor Enable bit (bitmask:0x40)
FCMEN = OFF 0xBF Fail-Safe Clock Monitor disabled.
FCMEN = ON 0xFF Fail-Safe Clock Monitor enabled.
IESO -- Internal/External Oscillator Switchover bit (bitmask:0x80)
IESO = OFF 0x7F Oscillator Switchover mode disabled.
IESO = ON 0xFF Oscillator Switchover mode enabled.
CONFIG2L (address:0x300002, mask:0x1F, default:0x1F)
PWRTEN -- Power-up Timer Enable bit (bitmask:0x01)
PWRTEN = ON 0xFE Power up timer enabled.
PWRTEN = OFF 0xFF Power up timer disabled.
BOREN -- Brown-out Reset Enable bits (bitmask:0x06)
BOREN = OFF 0xF9 Brown-out Reset disabled in hardware and software.
BOREN = ON 0xFB Brown-out Reset enabled and controlled by software (SBOREN is enabled).
BOREN = NOSLP 0xFD Brown-out Reset enabled in hardware only and disabled in Sleep mode (SBOREN is disabled).
BOREN = SBORDIS 0xFF Brown-out Reset enabled in hardware only (SBOREN is disabled).
BORV -- Brown Out Reset Voltage bits (bitmask:0x18)
BORV = 285 0xE7 VBOR set to 2.85 V nominal.
BORV = 250 0xEF VBOR set to 2.50 V nominal.
BORV = 220 0xF7 VBOR set to 2.20 V nominal.
BORV = 190 0xFF VBOR set to 1.90 V nominal.
CONFIG2H (address:0x300003, mask:0x3F, default:0x3F)
WDTEN -- Watchdog Timer Enable bits (bitmask:0x03)
WDTEN = OFF 0xFC Watch dog timer is always disabled. SWDTEN has no effect.
WDTEN = NOSLP 0xFD WDT is disabled in sleep, otherwise enabled. SWDTEN bit has no effect.
WDTEN = SWON 0xFE WDT is controlled by SWDTEN bit of the WDTCON register.
WDTEN = ON 0xFF WDT is always enabled. SWDTEN bit has no effect.
WDTPS -- Watchdog Timer Postscale Select bits (bitmask:0x3C)
WDTPS = 1 0xC3 1:1.
WDTPS = 2 0xC7 1:2.
WDTPS = 4 0xCB 1:4.
WDTPS = 8 0xCF 1:8.
WDTPS = 16 0xD3 1:16.
WDTPS = 32 0xD7 1:32.
WDTPS = 64 0xDB 1:64.
WDTPS = 128 0xDF 1:128.
WDTPS = 256 0xE3 1:256.
WDTPS = 512 0xE7 1:512.
WDTPS = 1024 0xEB 1:1024.
WDTPS = 2048 0xEF 1:2048.
WDTPS = 4096 0xF3 1:4096.
WDTPS = 8192 0xF7 1:8192.
WDTPS = 16384 0xFB 1:16384.
WDTPS = 32768 0xFF 1:32768.
CONFIG3H (address:0x300005, mask:0xBF, default:0xBF)
CCP2MX -- CCP2 MUX bit (bitmask:0x01)
CCP2MX = PORTB3 0xFE CCP2 input/output is multiplexed with RB3.
CCP2MX = PORTC1 0xFF CCP2 input/output is multiplexed with RC1.
PBADEN -- PORTB A/D Enable bit (bitmask:0x02)
PBADEN = OFF 0xFD PORTB<5:0> pins are configured as digital I/O on Reset.
PBADEN = ON 0xFF PORTB<5:0> pins are configured as analog input channels on Reset.
CCP3MX -- P3A/CCP3 Mux bit (bitmask:0x04)
CCP3MX = PORTC6 0xFB P3A/CCP3 input/output is mulitplexed with RC6.
CCP3MX = PORTB5 0xFF P3A/CCP3 input/output is multiplexed with RB5.
HFOFST -- HFINTOSC Fast Start-up (bitmask:0x08)
HFOFST = OFF 0xF7 HFINTOSC output and ready status are delayed by the oscillator stable status.
HFOFST = ON 0xFF HFINTOSC output and ready status are not delayed by the oscillator stable status.
T3CMX -- Timer3 Clock input mux bit (bitmask:0x10)
T3CMX = PORTB5 0xEF T3CKI is on RB5.
T3CMX = PORTC0 0xFF T3CKI is on RC0.
P2BMX -- ECCP2 B output mux bit (bitmask:0x20)
P2BMX = PORTC0 0xDF P2B is on RC0.
P2BMX = PORTB5 0xFF P2B is on RB5.
MCLRE -- MCLR Pin Enable bit (bitmask:0x80)
MCLRE = INTMCLR 0x7F RE3 input pin enabled; MCLR disabled.
MCLRE = EXTMCLR 0xFF MCLR pin enabled, RE3 input pin disabled.
CONFIG4L (address:0x300006, mask:0xC5, default:0x85)
STVREN -- Stack Full/Underflow Reset Enable bit (bitmask:0x01)
STVREN = OFF 0xFE Stack full/underflow will not cause Reset.
STVREN = ON 0xFF Stack full/underflow will cause Reset.
LVP -- Single-Supply ICSP Enable bit (bitmask:0x04)
LVP = OFF 0xFB Single-Supply ICSP disabled.
LVP = ON 0xFF Single-Supply ICSP enabled if MCLRE is also 1.
XINST -- Extended Instruction Set Enable bit (bitmask:0x40)
XINST = OFF 0xBF Instruction set extension and Indexed Addressing mode disabled (Legacy mode).
XINST = ON 0xFF Instruction set extension and Indexed Addressing mode enabled.
DEBUG -- Background Debug (bitmask:0x80)
DEBUG = ON 0x7F Enabled.
DEBUG = OFF 0xFF Disabled.
CONFIG5L (address:0x300008, mask:0x0F, default:0x0F)
CP0 -- Code Protection Block 0 (bitmask:0x01)
CP0 = ON 0xFE Block 0 (000800-001FFFh) code-protected.
CP0 = OFF 0xFF Block 0 (000800-001FFFh) not code-protected.
CP1 -- Code Protection Block 1 (bitmask:0x02)
CP1 = ON 0xFD Block 1 (002000-003FFFh) code-protected.
CP1 = OFF 0xFF Block 1 (002000-003FFFh) not code-protected.
CP2 -- Code Protection Block 2 (bitmask:0x04)
CP2 = ON 0xFB Block 2 (004000-005FFFh) code-protected.
CP2 = OFF 0xFF Block 2 (004000-005FFFh) not code-protected.
CP3 -- Code Protection Block 3 (bitmask:0x08)
CP3 = ON 0xF7 Block 3 (006000-007FFFh) code-protected.
CP3 = OFF 0xFF Block 3 (006000-007FFFh) not code-protected.
CONFIG5H (address:0x300009, mask:0xC0, default:0xC0)
CPB -- Boot Block Code Protection bit (bitmask:0x40)
CPB = ON 0xBF Boot block (000000-0007FFh) code-protected.
CPB = OFF 0xFF Boot block (000000-0007FFh) not code-protected.
CPD -- Data EEPROM Code Protection bit (bitmask:0x80)
CPD = ON 0x7F Data EEPROM code-protected.
CPD = OFF 0xFF Data EEPROM not code-protected.
CONFIG6L (address:0x30000A, mask:0x0F, default:0x0F)
WRT0 -- Write Protection Block 0 (bitmask:0x01)
WRT0 = ON 0xFE Block 0 (000800-001FFFh) write-protected.
WRT0 = OFF 0xFF Block 0 (000800-001FFFh) not write-protected.
WRT1 -- Write Protection Block 1 (bitmask:0x02)
WRT1 = ON 0xFD Block 1 (002000-003FFFh) write-protected.
WRT1 = OFF 0xFF Block 1 (002000-003FFFh) not write-protected.
WRT2 -- Write Protection Block 2 (bitmask:0x04)
WRT2 = ON 0xFB Block 2 (004000-005FFFh) write-protected.
WRT2 = OFF 0xFF Block 2 (004000-005FFFh) not write-protected.
WRT3 -- Write Protection Block 3 (bitmask:0x08)
WRT3 = ON 0xF7 Block 3 (006000-007FFFh) write-protected.
WRT3 = OFF 0xFF Block 3 (006000-007FFFh) not write-protected.
CONFIG6H (address:0x30000B, mask:0xE0, default:0xE0)
WRTC -- Configuration Register Write Protection bit (bitmask:0x20)
WRTC = ON 0xDF Configuration registers (300000-3000FFh) write-protected.
WRTC = OFF 0xFF Configuration registers (300000-3000FFh) not write-protected.
WRTB -- Boot Block Write Protection bit (bitmask:0x40)
WRTB = ON 0xBF Boot Block (000000-0007FFh) write-protected.
WRTB = OFF 0xFF Boot Block (000000-0007FFh) not write-protected.
WRTD -- Data EEPROM Write Protection bit (bitmask:0x80)
WRTD = ON 0x7F Data EEPROM write-protected.
WRTD = OFF 0xFF Data EEPROM not write-protected.
CONFIG7L (address:0x30000C, mask:0x0F, default:0x0F)
EBTR0 -- Table Read Protection Block 0 (bitmask:0x01)
EBTR0 = ON 0xFE Block 0 (000800-001FFFh) protected from table reads executed in other blocks.
EBTR0 = OFF 0xFF Block 0 (000800-001FFFh) not protected from table reads executed in other blocks.
EBTR1 -- Table Read Protection Block 1 (bitmask:0x02)
EBTR1 = ON 0xFD Block 1 (002000-003FFFh) protected from table reads executed in other blocks.
EBTR1 = OFF 0xFF Block 1 (002000-003FFFh) not protected from table reads executed in other blocks.
EBTR2 -- Table Read Protection Block 2 (bitmask:0x04)
EBTR2 = ON 0xFB Block 2 (004000-005FFFh) protected from table reads executed in other blocks.
EBTR2 = OFF 0xFF Block 2 (004000-005FFFh) not protected from table reads executed in other blocks.
EBTR3 -- Table Read Protection Block 3 (bitmask:0x08)
EBTR3 = ON 0xF7 Block 3 (006000-007FFFh) protected from table reads executed in other blocks.
EBTR3 = OFF 0xFF Block 3 (006000-007FFFh) not protected from table reads executed in other blocks.
CONFIG7H (address:0x30000D, mask:0x40, default:0x40)
EBTRB -- Boot Block Table Read Protection bit (bitmask:0x40)
EBTRB = ON 0xBF Boot Block (000000-0007FFh) protected from table reads executed in other blocks.
EBTRB = OFF 0xFF Boot Block (000000-0007FFh) not protected from table reads executed in other blocks.

This page generated automatically by the device-help.pl program (2017-05-13 09:29:49 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.