DSPIC33FJ12MC201TESS datasheet(239/304 Pages) MICROCHIP

239 / 304 page

DS70265E-page 239

dsPIC33FJ12MC201/202

TABLE 24-21: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER

TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 3.0V to 3.6V

(unless otherwise stated)

Operating temperature

-40°C

≤ TA ≤+85°C for Industrial

-40°C

≤TA ≤+125°C for Extended

Param

No.

Symbol

Characteristic(1)

Min

Typ(2)

Max

Units

Conditions

SY10

TMCLMCLR Pulse Width (low)

—

μs

-40°C to +85°C

SY11

TPWRT

Power-up Timer Period(1)

—2

128

—

-40°C to +85°C

User programmable

SY12

TPOR

Power-on Reset Delay(3)

310

μs

-40°C to +85°C

SY13

TIOZ

I/O High-Impedance from MCLR

Low or Watchdog Timer Reset(1)

0.68

0.72

1.2

μs—

SY20

TWDT1

Watchdog Timer Time-out

Period(1)

——

—ms

See Section 21.4 “Watch-

dog Timer (WDT)”

and

LPRC parameter F21a

(Table 24-19).

SY30

TOST

Oscillator Start-up Time

—

1024

TOSC

——

TOSC = OSC1 period

SY35

TFSCM

Fail-Safe Clock Monitor Delay(1)

—

500

900

μs

-40°C to +85°C

Note 1:

These parameters are characterized but not tested in manufacturing.

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

These parameters are characterized, but are not tested in manufacturing.

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