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

PIC17C42
Bank 0 | Bank 1 | Bank 2 | Bank 3
--- | --- | --- | ---
INDF0 | 0x000
FSR0 | 0x001
PCL | 0x002
PCLATH | 0x003
ALUSTA | 0x004
T0STA | 0x005
CPUSTA | 0x006
INTSTA | 0x007
INDF1 | 0x008
FSR1 | 0x009
WREG | 0x00A
TMR0L | 0x00B
TMR0H | 0x00C
TBLPTRL | 0x00D
TBLPTRH | 0x00E
BSR | 0x00F
PORTA | 0x010
DDRB | 0x011
PORTB | 0x012
RCSTA | 0x013
RCREG | 0x014
TXSTA | 0x015
TXREG | 0x016
SPBRG | 0x017
DDRC | 0x110
PORTC | 0x111
DDRD | 0x112
PORTD | 0x113
DDRE | 0x114
PORTE | 0x115
PIR | 0x116
PIE | 0x117
TMR1 | 0x210
TMR2 | 0x211
TMR3L | 0x212
TMR3H | 0x213
PR1 | 0x214
PR2 | 0x215
PR3LCA1L | 0x216
PR3HCA1H | 0x217
PW1DCL | 0x310
PW2DCL | 0x311
PW1DCH | 0x312
PW2DCH | 0x313
CA2L | 0x314
CA2H | 0x315
TCON1 | 0x316
TCON2 | 0x317
The mirror of [PCL, PCLATH, ...] are not shown.

SFR

SFR with alias name.

This page generated automatically by the device-help.pl program (2016-08-21 09:07:41 UTC) from the 8bit_device.info file (rev: 1.31) of mpasmx and from the gputils source package (rev: svn Unversioned directory). The mpasmx is included in the MPLAB X.