PIC16F631_08 Datasheet, PDF (37/306 Pages) Microchip Technology – 20-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F631/677/685/687/689/690
TABLE 2-4: PIC16F631/677/685/687/689/690 SPECIAL FUNCTION REGISTERS SUMMARY BANK 3
Addr
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR, BOR
Page
Bank 3
180h INDF
Addressing this location uses contents of FSR to address data memory (not a physical register) xxxx xxxx 44,205
181h OPTION_REG RABPU INTEDG T0CS
T0SE
PSA
PS2
PS1
PS0 1111 1111 37,205
182h PCL
Program Counter’s (PC) Least Significant Byte
0000 0000 44,205
183h STATUS
IRP
RP1
RP0
TO
PD
Z
DC
C
0001 1xxx 36,205
184h FSR
Indirect Data Memory Address Pointer
xxxx xxxx 44,205
185h TRISA
—
—
TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 --11 1111 59,205
186h TRISB
TRISB7 TRISB6 TRISB5 TRISB4
—
—
—
—
1111 ---- 70,206
187h TRISC
TRISC7 TRISC6 TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 1111 1111 76,206
188h
—
Unimplemented
—
—
189h
—
Unimplemented
—
—
18Ah
18Bh
18Ch
PCLATH
INTCON
EECON1
—
GIE
EEPGD⁽²⁾
—
PEIE
—
—
T0IE
—
Write Buffer for the upper 5 bits of the Program Counter
INTE
RABIE
T0IF
INTF RABIF⁽¹⁾
—
WRERR WREN
WR
RD
---0 0000
0000 000x
x--- x000
44,205
38,205
121,206
18Dh EECON2
EEPROM Control Register 2 (not a physical register)
---- ---- 119,206
18Eh
—
Unimplemented
—
—
18Fh
—
Unimplemented
—
—
190h
—
Unimplemented
—
—
191h
—
Unimplemented
—
—
192h
—
Unimplemented
—
—
193h
—
Unimplemented
—
—
194h
—
Unimplemented
—
—
195h
—
Unimplemented
—
—
196h
—
Unimplemented
—
—
197h
—
Unimplemented
—
—
198h
—
Unimplemented
—
—
199h
—
Unimplemented
—
—
19Ah
—
Unimplemented
—
—
19Bh
—
Unimplemented
—
—
19Ch
—
Unimplemented
19Dh PSTRCON⁽²⁾
—
—
—
—
—
STRSYNC STRD
STRC
STRB
STRA ---0 0001 146,206
19Eh SRCON
SR1
SR0
C1SEN C2REN PULSS PULSR
—
—
0000 00-- 103,206
19Fh
—
Unimplemented
—
—
Legend:
Note 1:
2:
– = Unimplemented locations read as ‘0’, u = unchanged, x = unknown, q = value depends on condition, shaded = unimplemented
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.
PIC16F685/PIC16F690 only.
© 2008 Microchip Technology Inc.
DS41262E-page 35