PIC16F882 datasheet(28/338 Pages) MICROCHIP

28 / 338 page

PIC16F882/883/884/886/887

DS41291G-page 28

 2006-2012 Microchip Technology Inc.

TABLE 2-1:

PIC16F882/883/884/886/887 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

Value on all

other Resets

Bank 0

00h

INDF

Addressing this location uses contents of FSR to address data memory (not a physical register)

xxxx xxxx

01h

TMR0

Timer0 Module Register

xxxx xxxx

uuuu uuuu

02h

PCL

Program Counter’s (PC) Least Significant Byte

0000 0000

03h

STATUS

IRP

RP1

RP0

ZDC

0001 1xxx 000q quuu(5)

04h

FSR

Indirect Data Memory Address Pointer

xxxx xxxx

uuuu uuuu

05h

PORTA(3)

RA7

RA6

RA5

RA4

RA3

RA2

RA1

RA0

xxxx xxxx

0000 0000

06h

PORTB(3)

RB7

RB6

RB5

RB4

RB3

RB2

RB1

RB0

xxxx xxxx

0000 0000

07h

PORTC(3)

RC7

RC6

RC5

RC4

RC3

RC2

RC1

RC0

xxxx xxxx

0000 0000

08h

PORTD(3,4)

RD7

RD6

RD5

RD4

RD3

RD2

RD1

RD0

xxxx xxxx

0000 0000

09h

PORTE(3)

—

—RE3

RE2(4)

RE1(4)

RE0(4)

---- xxxx

---- 0000

0Ah

PCLATH

—

Write Buffer for upper 5 bits of Program Counter

---0 0000

0Bh

INTCON

GIE

PEIE

T0IE

INTE

RBIE

T0IF

INTF

RBIF(1)

0000 000x

0000 000u

0Ch

PIR1

—

ADIF

RCIF

TXIF

SSPIF

CCP1IF

TMR2IF

TMR1IF

-000 0000

0000 0000

0Dh

PIR2

OSFIF

C2IF

C1IF

EEIF

BCLIF

ULPWUIF

—

CCP2IF

0000 00-0

0000 0000

0Eh

TMR1L

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

xxxx xxxx

uuuu uuuu

0Fh

TMR1H

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

xxxx xxxx

uuuu uuuu

10h

T1CON

T1GINV

TMR1GE

T1CKPS1

T1CKPS0 T1OSCEN

T1SYNC

TMR1CS

TMR1ON

0000 0000

uuuu uuuu

11h

TMR2

Timer2 Module Register

0000 0000

12h

T2CON

—

TOUTPS3 TOUTPS2 TOUTPS1 TOUTPS0

TMR2ON

T2CKPS1 T2CKPS0 -000 0000

-000 0000

13h

SSPBUF

Synchronous Serial Port Receive Buffer/Transmit Register

xxxx xxxx

uuuu uuuu

14h

SSPCON(2)

WCOL

SSPOV

SSPEN

CKP

SSPM3

SSPM2

SSPM1

SSPM0

0000 0000

15h

CCPR1L

Capture/Compare/PWM Register 1 Low Byte (LSB)

xxxx xxxx

uuuu uuuu

16h

CCPR1H

Capture/Compare/PWM Register 1 High Byte (MSB)

xxxx xxxx

uuuu uuuu

17h

CCP1CON

P1M1

P1M0

DC1B1

DC1B0

CCP1M3

CCP1M2

CCP1M1

CCP1M0

0000 0000

18h

RCSTA

SPEN

RX9

SREN

CREN

ADDEN

FERR

OERR

RX9D

0000 000x

0000 0000

19h

TXREG

EUSART Transmit Data Register

0000 0000

1Ah

RCREG

EUSART Receive Data Register

0000 0000

1Bh

CCPR2L

Capture/Compare/PWM Register 2 Low Byte (LSB)

xxxx xxxx

uuuu uuuu

1Ch

CCPR2H

Capture/Compare/PWM Register 2 High Byte (MSB)

xxxx xxxx

uuuu uuuu

1Dh

CCP2CON

—

DC2B1

DC2B0

CCP2M3

CCP2M2

CCP2M1

CCP2M0

--00 0000

--00 000

1Eh

ADRESH

A/D Result Register High Byte

xxxx xxxx

uuuu uuuu

1Fh

ADCON0

ADCS1

ADCS0

CHS3

CHS2

CHS1

CHS0

GO/

DONE

ADON

0000 0000

00-0 0000

Legend:

– = Unimplemented locations read as ‘0’, u = unchanged, x = unknown, q = value depends on condition, shaded = unimplemented

Note

MCLR and WDT Reset do not affect the previous value data latch. The RBIF bit will be cleared upon Reset but will set again if the

mismatch exists.

When SSPCON register bits SSPM<3:0> = 1001, any reads or writes to the SSPADD SFR address are accessed through the SSPMSK

Port pins with analog functions controlled by the ANSEL and ANSELH registers will read ‘0’ immediately after a Reset even though the data

latches are either undefined (POR) or unchanged (other Resets).

PIC16F884/PIC16F887 only.

See Table 14-5 for Reset value for specific condition.

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