PIC16F688 Datasheet, PDF (14/174 Pages) Microchip Technology – 14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F688
TABLE 2-4: PIC16F688 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/BOD
Reset
Value on
all other
Resets⁽¹⁾
Bank 3
180h INDF
Addressing this location uses contents of FSR to address data memory (not a physical
register)
xxxx xxxx xxxx xxxx
181h OPTION_REG RAPU INTEDG T0CS
T0SE
PSA
PS2
PS1
PS0 1111 1111 1111 1111
182h PCL
Program Counter's (PC) Least Significant Byte
0000 0000 0000 0000
183h STATUS
IRP
RP1
RP0
TO
PD
Z
DC
C
0001 1xxx 000q quuu
184h FSR
Indirect Data Memory Address Pointer
xxxx xxxx uuuu uuuu
185h TRISA
—
—
TRISA5 TRISA4 TRISA3 TRISA2 TRISA1 TRISA0 --11 1111 --11 1111
186h
—
Unimplemented
—
—
187h TRISC
—
—
TRISC5 TRISC4 TRISC3 TRISC2 TRISC1 TRISC0 --11 1111 --11 1111
188h
—
Unimplemented
—
—
189h
—
Unimplemented
—
—
18Ah
18Bh
PCLATH
INTCON
—
—
—
Write Buffer for upper 5 bits of Program Counter
---0 0000 ---0 0000
GIE
PEIE
T0IE
INTE
RAIE
T0IF
INTF RAIF⁽²⁾ 0000 0000 0000 0000
18Ch
—
Unimplemented
—
—
18Dh
—
Unimplemented
—
—
190h
—
Unimplemented
—
—
191h
—
Unimplemented
—
—
192h
—
Unimplemented
—
—
193h
—
Unimplemented
—
—
194h
—
Unimplemented
—
—
195h
—
Unimplemented
—
—
196h
—
Unimplemented
—
—
19Ah
—
Unimplemented
—
—
19Bh
—
Unimplemented
—
—
199h
—
Unimplemented
—
—
19Ah
—
Unimplemented
—
—
19Bh
—
Unimplemented
—
—
19Ch
—
Unimplemented
—
—
19Dh
—
Unimplemented
—
—
19Eh
—
Unimplemented
—
—
19Fh
Legend:
Note 1:
2:
—
Unimplemented
—
—
- = Unimplemented locations read as ‘0’, u = unchanged, x = unknown, q = value depends on condition, shaded = unimplemented
Other (non Power-up) Resets include MCLR Reset and Watchdog Timer Reset during normal operation.
MCLR and WDT Reset does not affect the previous value data latch. The RAIF bit will be cleared upon reset but will set again if the
mismatched exists.
DS41203B-page 12
Preliminary
 2004 Microchip Technology Inc.