PIC16CE623 datasheet(93/114 Pages) MICROCHIP

93 / 114 page

 1998-2013 Microchip Technology Inc.

DS40182D-page 93

PIC16CE62X

FIGURE 13-7: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP

TIMER TIMING

FIGURE 13-8: BROWN-OUT RESET TIMING

TABLE 13-5:

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

TIMER REQUIREMENTS

Parameter

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

TmcL

MCLR Pulse Width (low)

2000

—

-40

 to +85C

Twdt

Watchdog Timer Time-out Period

(No Prescaler)

33*

VDD = 5.0V, -40

 to +85C

Tost

Oscillation Start-up Timer Period

—

1024 TOSC

——

TOSC = OSC1 period

Tpwrt

Power-up Timer Period

28*

132*

VDD = 5.0V, -40

 to +85C

TIOZ

I/O hi-impedance from MCLR low

—

2.0

s

TBOR

Brown-out Reset Pulse Width

100*

—

s3.7V  VDD  4.3V

These parameters are characterized but not tested.

†

Data in "Typ" column is at 5.0V, 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

VDD

BVDD

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