PIC16F631/677/685/687/689/690
TABLE 2-4:
PIC16F631/677/685/687/689/690 SPECIAL FUNCTION REGISTERS SUMMARY BANK 3
Value on
POR, BOR
Addr
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Page
Bank 3
180h
INDF
Addressing this location uses contents of FSR to address data memory (not a physical register) xxxx xxxx
44,201
37,201
44,201
181h
OPTION_REG RABPU
INTEDG
Program Counter’s (PC) Least Significant Byte
IRP RP1 RP0 TO
Indirect Data Memory Address Pointer
T0CS
T0SE
PSA
PS2
PS1
PS0
1111 1111
0000 0000
182h
PCL
183h
184h
185h
186h
187h
188h
189h
STATUS
FSR
PD
Z
DC
C
0001 1xxx
xxxx xxxx
--11 1111
1111 ----
1111 1111
—
36,201
44,201
59,201
70,202
76,202
—
TRISA
TRISB
TRISC
—
—
—
TRISA5
TRISB5
TRISC5
TRISA4
TRISB4
TRISC4
TRISA3
—
TRISA2
—
TRISA1
—
TRISA0
—
TRISB7
TRISC7
TRISB6
TRISC6
TRISC3
TRISC2
TRISC1
TRISC0
Unimplemented
Unimplemented
—
—
—
—
18Ah PCLATH
18Bh INTCON
18Ch EECON1
18Dh EECON2
—
—
T0IE
—
Write Buffer for the upper 5 bits of the Program Counter
---0 0000
44,201
38,201
121,202
119,202
—
GIE
PEIE
—
INTE
—
RABIE
T0IF
INTF
WR
RABIF(1) 0000 000x
EEPGD(2)
WRERR
WREN
RD
x--- x000
EEPROM Control Register 2 (not a physical register)
Unimplemented
---- ----
18Eh
18Fh
190h
191h
192h
193h
194h
195h
196h
197h
198h
199h
19Ah
19Bh
19Ch
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
Unimplemented
—
—
—
Unimplemented
—
19Dh PSTRCON(2)
—
—
—
STRSYNC
C2REN
STRD
STRC
STRB
—
STRA
—
---0 0001
0000 00--
—
145,202
103,202
—
19Eh SRCON
SR1
SR0
C1SEN
PULSS
PULSR
19Fh
—
Unimplemented
Legend:
– = Unimplemented locations read as ‘0’, u= unchanged, x= unknown, q= value depends on condition, shaded = unimplemented
Note 1:
MCLR and WDT Reset does not affect the previous value data latch. The RABIF bit will be cleared upon Reset but will set again if the
mismatch exists.
2:
PIC16F685/PIC16F690 only.
© 2007 Microchip Technology Inc.
DS41262D-page 35
MICROCHIP [ MICROCHIP ]
