PIC16C745SLASHP datasheet(19/158 Pages) MICROCHIP

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Advanced Information

DS41124A-page 19

PIC16C745/765

Bank 2

100h

INDF(3)

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

0000 0000

101h

TMR0

Timer0 module’s register

xxxx xxxx

uuuu uuuu

102h

PCL(3)

Program Counter's (PC) Least Significant Byte

0000 0000

103h

STATUS(3)

IRP

RP1

RP0

ZDC

0001 1xxx

000q quuu

104h

FSR(3)

Indirect data memory address pointer

xxxx xxxx

uuuu uuuu

105h

—

Unimplemented

—

106h

PORTB

PORTB Data Latch when written: PORTB pins when read

xxxx xxxx

uuuu uuuu

107h

—

Unimplemented

—

108h

—

Unimplemented

—

109h

—

Unimplemented

—

10Ah

PCLATH(1,3)

—

Write Buffer for the upper 5 bits of the Program Counter

---0 0000

10Bh

INTCON(3)

GIE

PEIE

T0IE

INTE

RBIE

T0IF

INTF

RBIF

0000 000x

0000 000u

10Ch-

11Fh

—

Unimplemented

—

TABLE 4-1:

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

(2)

Legend: x = unknown, u = unchanged, q = value depends on condition, - = unimplemented read as ’0’.

Shaded locations are unimplemented, read as ‘0’.

Note 1:

The upper byte of the program counter is not directly accessible. PCLATH is a holding register for the PC<12:8> whose contents

are transferred to the upper byte of the program counter.

2: Other (non power-up) resets include external reset through MCLR and Watchdog Timer Reset.

3: These registers can be addressed from either bank.

4: The Parallel Slave Port (PORTD and PORTE) is not implemented on the PIC16C745, always maintain these bits clear.

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