64GA106 datasheet(288/330 Pages) MICROCHIP

288 / 330 page

PIC24FJ256GA110 FAMILY

DS39905E-page 288

 2010 Microchip Technology Inc.

FIGURE 28-7:

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

TIMER TIMING CHARACTERISTICS

TABLE 28-21: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER

AND BROWN-OUT RESET TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 2.0V to 3.6V

(unless otherwise stated)

Operating temperature

-40°C

 TA  +85°C for Industrial

Param

No.

Symbol

Characteristic

Min

Typ(1)

Max

Units

Conditions

SY10

TmcL

MCLR Pulse Width (low)

—

s

SY11

TPWRT

Power-up Timer Period

—

SY12

TPOR

Power-on Reset Delay

s

SY13

TIOZ

I/O High-Impedance from MCLR

Low or Watchdog Timer Reset

—

100

SY20

TWDT

Watchdog Timer Time-out Period

0.85

1.0

1.15

1:32 prescaler

3.4

4.0

4.6

1:128 prescaler

SY25

TBOR

Brown-out Reset Pulse Width

—

sVDD VBOR, voltage

regulator disabled

Note 1:

Data in “Typ” column is at 3.3V, 25°C unless otherwise stated.

VDD

MCLR

Internal

POR

PWRT

SYSRST

System

Clock

Watchdog

Timer Reset

SY10

SY20

SY13

I/O Pins

SY13

SY11

SY12

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