PIC16F716 datasheet(103/126 Pages) MICROCHIP

103 / 126 page

 2003 Microchip Technology Inc.

Preliminary

DS41206A-page 101

PIC16F716

FIGURE 12-6:

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

TIMER TIMING(1)

FIGURE 12-7:

BROWN-OUT RESET TIMING

TABLE 12-4:

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

AND BROWN-OUT RESET REQUIREMENTS

Param

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

TMCL

MCLR Pulse Width (low)

—

µsVDD = 5V, -40°C to +125°C

31*

TWDT

Watchdog Timer Time-out Period

VDD = 5V, -40°C to +85°C

(No Prescaler)

TBD

VDD = 5V, +85°C to +125°C

TOST

Oscillation Start-up Timer Period

—

1024 TOSC

——

TOSC = OSC1 period

33*

TPWRT

Power-up Timer Period

132

VDD = 5V, -40°C to +85°C

TBD

VDD = 5V, +85°C to +125°C

TIOZ

I/O high-impedance from MCLR

Low or WDT Reset

——

2.1

µs

TBOR

Brown-out Reset Pulse Width

100

—

µsVDD ≤ BVDD (D005)

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

Time-out

OSC

Time-out

Internal

Reset

Watchdog

Timer

Reset

I/O Pins

Note 1:

Refer to Figure 12-3 for load conditions.

VDD

BVDD

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