PIC16F627A Datasheet, PDF (22/168 Pages) Microchip Technology – FLASH-Based 8-Bit CMOS Microcontrollers

PIC16F627A/628A/648A
TABLE 4-5: SPECIAL FUNCTION REGISTERS SUMMARY BANK2
Address Name Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Value on Details
POR
on
Reset⁽¹⁾ Page
Bank 2
100h
101h
102h
103h
104h
105h
106h
107h
108h
109h
10Ah
10Bh
10Ch
10Dh
10Eh
10Fh
110h
111h
112h
113h
114h
115h
116h
117h
118h
119h
11Ah
11Bh
11Ch
11Dh
11Eh
11Fh
Legend:
Note 1:
INDF
Addressing this location uses contents of FSR to address data memory (not a physical register) xxxx xxxx
28
TMR0
Timer0 module’s Register
xxxx xxxx
45
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
—
—
PORTB
RB7
RB6
RB5
RB4
RB3
RB2
RB1
RB0 xxxx xxxx
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.
DS40044A-page 20
Preliminary
 2002 Microchip Technology Inc.