PIC18F010/020
TABLE 4-1: REGISTER FILE SUMMARY (PIC18F010/020) (CONTINUED)
File Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
FD3h OSCCON
—
IRCF2
IRCF1
IRCF0
OSTO
IESO
FD2h LVDCON
—
—
BGST
LVDEN
LVV3
LVV2
FD1h WDTCON
—
—
—
—
SWP2
SWP1
FD0h RCON
IPE
—
—
RI
TO
PD
FB0h PSPCON
—
—
—
—
—
—
FA9h EEADR
EEPROM Address Register
FA8h EEDATA
EEPROM Data Register
FA7h EECON2 EEPROM Control Register 2 (not a physical register)
FA6h EECON1
EEPGD
—
—
FREE WRERR WREN
FA2h IPR2
—
—
—
EEIP
—
LVDIP
FA1h PIR2
—
—
—
EEIF
—
LVDIF
FA0h PIE2
—
—
—
EEIE
—
LVDIE
F9Bh OSCTUNE
—
—
TUN5
TUN4
TUN3
TUN2
F93h TRISB
—
—
Data Direction Control Register for PORTB
F8Ah LATB
—
—
Read PORTB Data Latch, Write PORTB Data Latch
F81h PORTB
—
—
Read PORTB pins, Write PORTB Data Latch
F79h WPUB
—
—
WPUB5
WPUB4 WPUB3 WPUB2
F78h IOCB
—
—
IOCB5
IOCB4
IOCB3
IOCB2
Legend: x = unknown, u = unchanged, - = unimplemented, q = value depends on condition
Note 1: These registers can only be modified when the combination lock is open.
Bit 1
—
LVV1
SWP0
POR
CMLK1
WR
—
—
—
TUN1
WPUB1
IOCB1
Bit 0
SCS
LVV0
SWDTE
BOR
CMLK0
RD
—
—
—
TUN0
WPUB0
IOCB0
Value on
POR,
BOR
Value on
All Other
RESETS
(Note 1)
-000 00-0
--00 0101
---- 0000
0--1 11qq
---- --00
xxxx xxxx
xxxx xxxx
---- ----
x--0 x000
---1 -1--
---0 -0--
---0 -0--
--00 0000
--11 1111
--xx xxxx
--xx xxxx
--11 1111
--00 0000
-qqq qq-q
--00 0101
---- 0000
0--q qquu
---- --00
uuuu uuuu
uuuu uuuu
---- ----
u--0 u000
---1 -1--
---0 -0--
---0 -0--
--qq qqqq
1111 1111
uuuu uuuu
uuuu uuuu
0011 1111
0000 0000
DS41142A-page 36
Preliminary
2001 Microchip Technology Inc.