Datasheet
© 2007 Microchip Technology Inc. DS40039E-page 9
PIC16F630/676
TABLE 2-1: PIC16F630/676 SPECIAL REGISTERS SUMMARY BANK 0
AddrNameBit 7Bit 6Bit 5Bit 4Bit 3Bit 2 Bit 1Bit 0
Value on
POR,
BOD
Page
Bank 0
00h INDF Addressing this location uses contents of FSR to address data memory (not a physical register) xxxx xxxx 18,61
01h TMR0 Timer0 Module’s Register xxxx xxxx 29
02h PCL Program Counter's (PC) Least Significant Byte 0000 0000 17
03h STATUS
IRP
(2)
RP1
(2)
RP0 TO PD ZDCC
0001 1xxx 11
04h FSR Indirect data memory address pointer xxxx xxxx 18
05h PORTA
— —
I/O Control Registers --xx xxxx 19
06h — Unimplemented — —
07h PORTC
— —
I/O Control Registers --xx xxxx 26
08h — Unimplemented — —
09h — Unimplemented — —
0Ah PCLATH
— — — Write buffer for upper 5 bits of program counter ---0 0000 17
0Bh INTCON GIE PEIE T0IE INTE RAIE T0IF INTF RAIF 0000 0000 13
0Ch PIR1
EEIF ADIF — —CMIF— —TMR1IF00-- 0--0 15
0Dh — Unimplemented — —
0Eh TMR1L Holding register for the Least Significant Byte of the 16-bit TMR1 xxxx xxxx 32
0Fh TMR1H Holding register for the Most Significant Byte of the 16-bit TMR1 xxxx xxxx 32
10h T1CON
— T1GE T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON
-000 0000 34
11h — Unimplemented — —
12h — Unimplemented — —
13h — Unimplemented — —
14h — Unimplemented — —
15h — Unimplemented — —
16h — Unimplemented — —
17h — Unimplemented — —
18h — Unimplemented — —
19h CMCON
—COUT— CINV CIS CM2 CM1 CM0 -0-0 0000 37
1Ah — Unimplemented — —
1Bh — Unimplemented — —
1Ch — Unimplemented — —
1Dh — Unimplemented — —
1Eh ADRESH
(3)
Most Significant 8 bits of the left shifted A/D result or 2 bits of right shifted result xxxx xxxx 44
1Fh ADCON0
(3)
ADFM VCFG — CHS2 CHS1 CHS0 GO/DONE ADON
00-0 0000 45,61
Legend: – = Unimplemented locations read as ‘0’, u = unchanged, x = unknown, q = value depends on condition shaded = unimplemented
Note 1: Other (non Power-up) Resets include MCLR
Reset, Brown-out Detect and Watchdog Timer Reset during normal operation.
2: IRP & RP1 bits are reserved, always maintain these bits clear.
3: PIC16F676 only.