PIC16F627A_05 Datasheet, PDF (23/180 Pages) Microchip Technology – Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

PIC16F627A/628A/648A
TABLE 4-6: SPECIAL FUNCTION REGISTERS SUMMARY BANK3
Address
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on
POR
Reset⁽¹⁾
Details
on Page
Bank 3
180h
181h
182h
183h
184h
185h
186h
187h
188h
189h
18Ah
18Bh
18Ch
18Dh
18Eh
18Fh
190h
191h
192h
193h
194h
195h
196h
197h
198h
199h
19Ah
19Bh
19Ch
19Dh
19Eh
19Fh
Legend:
Note 1:
INDF
Addressing this location uses contents of FSR to address data memory (not a physical register) xxxx xxxx
28
OPTION
RBPU INTEDG T0CS
T0SE
PSA
PS2
PS1
PS0 1111 1111
23
PCL
Program Counter’s (PC) Least Significant Byte
0000 0000
28
STATUS
IRP
RP1
RP0
TO
PD
Z
DC
C
0001 1xxx
22
FSR
Indirect Data Memory Address Pointer
xxxx xxxx
28
—
Unimplemented
—
—
TRISB
TRISB7 TRISB6 TRISB5 TRISB4 TRISB3 TRISB2 TRISB1 TRISB0 1111 1111
36
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
PCLATH
—
—
— Write Buffer for upper 5 bits of Program Counter
---0 0000
28
INTCON
GIE
PEIE
T0IE
INTE
RBIE
T0IF
INTF
RBIF 0000 000x
24
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
—
Unimplemented
—
—
- = Unimplemented locations read as ‘0’, u = unchanged, x = unknown, q = value depends on condition, shaded = unimplemented
For the initialization condition for registers tables, refer to Table 14-6 and Table 14-7.
© 2005 Microchip Technology Inc.
DS40044D-page 21