PIC16F883-ESLASHSOSQTP datasheet(217/288 Pages) MICROCHIP

217 / 288 page

Preliminary

DS41291D-page 215

PIC16F882/883/884/886/887

TABLE 14-5:

INITIALIZATION CONDITION FOR SPECIAL REGISTERS

CM2CON1

109h

0000 0--0

uuuu u--u

EEDAT

10Ch

0000 0000

uuuu uuuu

EEADR

10Dh

0000 0000

uuuu uuuu

EEDATH

10Eh

--00 0000

--uu uuuu

EEADRH

10Fh

---0 0000

---u uuuu

SRCON

185h

0000 00-0

uuuu uu-u

BAUDCTL

187h

01-0 0-00

uu-u u-uu

ANSEL

188h

1111 1111

uuuu uuuu

ANSELH

189h

1111 1111

uuuu uuuu

EECON1

18Ch

---- x000

---- q000

---- uuuu

EECON2

18Dh

---- ----

Condition

Program

Counter

Status

PCON

Power-on Reset

000h

0001 1xxx

--01 --0x

MCLR Reset during normal operation

000h

000u uuuu

--0u --uu

MCLR Reset during Sleep

000h

0001 0uuu

--0u --uu

WDT Reset

000h

0000 uuuu

--0u --uu

WDT Wake-up

PC + 1

uuu0 0uuu

--uu --uu

Brown-out Reset

000h

0001 1uuu

--01 --u0

Interrupt Wake-up from Sleep

PC + 1(1)

uuu1 0uuu

--uu --uu

Legend: u = unchanged, x = unknown, — = unimplemented bit, reads as ‘0’.

Note 1:

When the wake-up is due to an interrupt and Global Interrupt Enable bit, GIE, is set, the PC is loaded with

the interrupt vector (0004h) after execution of PC + 1.

TABLE 14-4:

INITIALIZATION CONDITION FOR REGISTER (CONTINUED)

Address

Power-on

Reset

MCLR Reset

WDT Reset (Continued)

Brown-out Reset(1)

Wake-up from Sleep through

Interrupt

Wake-up from Sleep through

WDT Time-out (Continued)

Legend: u = unchanged, x = unknown, – = unimplemented bit, reads as ‘0’, q = value depends on condition.

Note 1:

If VDD goes too low, Power-on Reset will be activated and registers will be affected differently.

One or more bits in INTCON and/or PIR1 will be affected (to cause wake-up).

When the wake-up is due to an interrupt and the GIE bit is set, the PC is loaded with the interrupt

vector (0004h).

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

If Reset was due to brown-out, then bit 0 = 0. All other Resets will cause bit 0 = u.

Accessible only when SSPCON register bits SSPM<3:0> = 1001.

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