PIC16LC71 datasheet(120/176 Pages) MICROCHIP

120 / 176 page

PIC16C71X

DS30272A-page 120

Applicable Devices

710 71 711 715

FIGURE 13-4: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, AND POWER-UP

TIMER TIMING

FIGURE 13-5: BROWN-OUT RESET TIMING

TABLE 13-4:

RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER,

AND BROWN-OUT RESET REQUIREMENTS

Parameter

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

TmcL

MCLR Pulse Width (low)

—

µs

VDD = 5V, -40˚C to +125˚C

31*

Twdt

Watchdog Timer Time-out Period

(No Prescaler)

VDD = 5V, -40˚C to +125˚C

Tost

Oscillation Start-up Timer Period

—

1024TOSC

—

TOSC = OSC1 period

33*

Tpwrt

Power up Timer Period

132

VDD = 5V, -40˚C to +125˚C

TIOZ

I/O Hi-impedance from MCLR Low

or Watchdog Timer Reset

—

2.1

µs

TBOR

Brown-out Reset pulse width

100

—

µs

VDD

≤ BVDD (D005)

TPER

Parity Error Reset

—

TBD

—

µs

These parameters are characterized but not tested.

†

Data in "Typ" column is at 5V, 25˚C unless otherwise stated. These parameters are for design guidance only and are not

tested.

VDD

MCLR

Internal

POR

PWRT

Timeout

OSC

Timeout

Internal

RESET

Watchdog

Timer

RESET

I/O Pins

Parity

Error

Reset

VDD

BVDD

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