PIC16F1946 datasheet(46/478 Pages) MICROCHIP

46 / 478 page

PIC16(L)F1946/1947

DS41414D-page 46

 2010-2012 Microchip Technology Inc.

Banks 16-30

x00h/

x80h(2)

INDF0

Addressing this location uses contents of FSR0H/FSR0L to address data memory

(not a physical register)

xxxx xxxx xxxx xxxx

x00h/

x81h(2)

INDF1

Addressing this location uses contents of FSR1H/FSR1L to address data memory

(not a physical register)

xxxx xxxx xxxx xxxx

x02h/

x82h(2)

PCL

Program Counter (PC) Least Significant Byte

0000 0000 0000 0000

x03h/

x83h(2)

STATUS

—

—TO

ZDC

---1 1000 ---q quuu

x04h/

x84h(2)

FSR0L

Indirect Data Memory Address 0 Low Pointer

0000 0000 uuuu uuuu

x05h/

x85h(2)

FSR0H

Indirect Data Memory Address 0 High Pointer

0000 0000 0000 0000

x06h/

x86h(2)

FSR1L

Indirect Data Memory Address 1 Low Pointer

0000 0000 uuuu uuuu

x07h/

x87h(2)

FSR1H

Indirect Data Memory Address 1 High Pointer

0000 0000 0000 0000

x08h/

x88h(2)

BSR

—

BSR<4:0>

---0 0000 ---0 0000

x09h/

x89h(2)

WREG

Working Register

0000 0000 uuuu uuuu

x0Ah/

x8Ah(1),(2)

PCLATH

—

Write Buffer for the upper 7 bits of the Program Counter

-000 0000 -000 0000

x0Bh/

x8Bh(2)

INTCON

GIE

PEIE

TMR0IE

INTE

IOCIE

TMR0IF

INTF

IOCIF

0000 000x 0000 000u

x0Ch/

x8Ch

—

x1Fh/

x9Fh

—

Unimplemented

—

TABLE 3-10:

SPECIAL FUNCTION REGISTER SUMMARY (CONTINUED)

Address

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

Legend:

x = unknown, u = unchanged, q = value depends on condition, - = unimplemented, read as ‘0’, r = reserved.

Shaded locations are unimplemented, read as ‘0’.

Note

The upper byte of the program counter is not directly accessible. PCLATH is a holding register for the PC<14:8>, whose contents are

transferred to the upper byte of the program counter.

These registers can be addressed from any bank.

Unimplemented, read as ‘1’.

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