PIC12F635 View Datasheet(PDF) - Microchip Technology

Part Name

Description

MFG CO.

PIC12F635

8/14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

Microchip Technology 

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PIC12F635/PIC16F636/639

TABLE 2-3: PIC16F636/639 SPECIAL FUNCTION REGISTERS SUMMARY BANK 0

Addr Name Bit 7 Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Value on

POR/BOR/

WUR

Page

Bank 0

00h INDF

Addressing this location uses contents of FSR to address data memory

(not a physical register)

xxxx xxxx 32,137

01h TMR0 Timer0 Module Register

xxxx xxxx 61,137

02h PCL

Program Counter’s (PC) Least Significant Byte

0000 0000 32,137

03h STATUS IRP

RP1

RP0

TO

PD

Z

DC

C 0001 1xxx 26,137

04h FSR

Indirect Data Memory Address Pointer

xxxx xxxx 32,137

05h PORTA

—

—

RA5

RA4

RA3

RA2

RA1

RA0 --xx xx00 48,137

06h

— Unimplemented

—

—

07h PORTC

—

—

RC5

RC4

RC3

RC2

RC1

RC0 --xx xx00 57,137

08h

— Unimplemented

—

—

09h

— Unimplemented

—

—

0Ah PCLATH —

0Bh INTCON GIE

—

PEIE

—

T0IE

Write Buffer for upper 5 bits of Program Counter

---0 0000

INTE

RAIE

T0IF

INTF RAIF(2) 0000 000x

32,137

28,137

0Ch PIR1

EEIF LVDIF CRIF

C2IF

C1IF OSFIF

—

TMR1IF 0000 00-0 30,137

0Dh

— Unimplemented

—

—

0Eh TMR1L Holding Register for the Least Significant Byte of the 16-bit TMR1

xxxx xxxx 64,137

0Fh TMR1H Holding Register for the Most Significant Byte of the 16-bit TMR1

xxxx xxxx 64,137

10h T1CON T1GINV TMR1GE T1CKPS1 T1CKPS0 T1OSCEN T1SYNC TMR1CS TMR1ON 0000 0000 68,137

11h

— Unimplemented

—

—

12h

— Unimplemented

—

—

13h

— Unimplemented

—

—

14h

— Unimplemented

—

—

15h

— Unimplemented

—

—

16h

— Unimplemented

—

—

17h

— Unimplemented

—

—

18h WDTCON —

—

— WDTPS3 WDTPS2 WDTPS1 WDTPS0 SWDTEN ---0 1000 144,137

19h CMCON0 C2OUT C1OUT C2INV C1INV

CIS

CM2

CM1

CM0 0000 0000 79,137

1Ah CMCON1 —

—

—

—

—

—

T1GSS C2SYNC ---- --10 82,137

1Bh

— Unimplemented

—

—

1Ch

— Unimplemented

—

—

1Dh

— Unimplemented

—

—

1Eh

— Unimplemented

—

—

1Fh

— Unimplemented

—

—

Legend:

Note 1:

2:

– = 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 do not affect the previous value data latch. The RAIF bit will be cleared upon Reset but will set

again if the mismatch exists.

© 2007 Microchip Technology Inc.

DS41232D-page 23

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