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 (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.