PIC18F010 datasheet(20/176 Pages) MICROCHIP

20 / 176 page

PIC18F010/020

DS41142A-page 18

Preliminary

 2001 Microchip Technology Inc.

TABLE 3-3:

INITIALIZATION CONDITIONS FOR ALL REGISTERS

Power-on Reset,

Brown-out Reset

MCLR Reset

WDT Reset

Reset

Instruction

Stack Reset

Wake-up via WDT

or Interrupt

TOSH

0000 0000

uuuu uuuu(3)

TOSL

0000 0000

uuuu uuuu(3)

STKPTR

00-0 0000

uu-u uuuu(3)

PCLATU

---0 0000

---u uuuu

PCLATH

0000 0000

uuuu uuuu

PCL

0000 0000

PC + 2(2)

TBLPTRU

---0 00--

---u uu--

TBLPTRH

---- 0000

---- uuuu

TBLPTRL

0000 0000

uuuu uuuu

TABLAT

0000 0000

uuuu uuuu

PRODH

xxxx xxxx

uuuu uuuu

PRODL

xxxx xxxx

uuuu uuuu

INTCON

0000 000x

0000 000u

uuuu uuuu(1)

INTCON2

11-- -1-1

uu-- -u-u(1)

INDF0

N/A

POSTINC0

N/A

POSTDEC0

N/A

PREINC0

N/A

PLUSW0

N/A

FSR0H

---- 0000

---- uuuu

FSR0L

xxxx xxxx

uuuu uuuu

WREG

xxxx xxxx

uuuu uuuu

INDF1

N/A

POSTINC1

N/A

POSTDEC1

N/A

PREINC1

N/A

PLUSW1

N/A

FSR1H

---- 0000

---- uuuu

FSR1L

xxxx xxxx

uuuu uuuu

BSR

---- 0000

---- uuuu

INDF2

N/A

POSTINC2

N/A

POSTDEC2

N/A

PREINC2

N/A

PLUSW2

N/A

Legend:

= unchanged, x = unknown, - = unimplemented bit, read as ’0’, q = value depends on condition

Note 1: One or more bits in the INTCONx or PIRx registers will be affected (to cause wake-up).

2: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the PC is loaded with the interrupt

vector (0008h or 0018h).

3: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the TOSU, TOSH and TOSL are

updated with the current value of the PC. The STKPTR is modified to point to the next location in the hard-

ware stack.

4: See Table 3-2 for RESET value for specific condition.

5: The long write enable is only reset on a POR or MCLR Reset.

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