DSPIC30F2010 datasheet(161/202 Pages) MICROCHIP

161 / 202 page

DS70118J-page 161

dsPIC30F2010

FIGURE 22-5:

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

TIMER TIMING CHARACTERISTICS

TABLE 22-20: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER

AND BROWN-OUT RESET TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 2.5V to 5.5V

(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

TmcL

MCLR Pulse Width (low)

—

μs

-40°C to +85°C

SY11

TPWRT

Power-up Timer Period

-40°C to +85°C, VDD = 5V

User programmable

SY12

TPOR

Power-on Reset Delay

μs

-40°C to +85°C

SY13

TIOZ

I/O high-impedance from MCLR

Low or Watchdog Timer Reset

—0.8

1.0

μs—

SY20

TWDT1

TWDT2

TWDT3

Watchdog Timer Time-out Period

(No Prescaler)

0.6

0.8

1.0

2.0

3.4

3.2

3.0

VDD = 2.5V

VDD = 3.3V, ±10%

VDD = 5V, ±10%

SY25

TBOR

Brown-out Reset Pulse Width(3)

100

—

μsVDD ≤VBOR (D034)

SY30

TOST

Oscillation Start-up Timer Period

—

1024 TOSC

——

TOSC = OSC1 period

SY35

TFSCM

Fail-Safe Clock Monitor Delay

—

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 5V, 25°C unless otherwise stated.

Refer to Figure 22-1 and Table 22-10 for BOR.

VDD

MCLR

Internal

POR

PWRT

Time-out

OSC

Time-out

Internal

Reset

Watchdog

Timer

Reset

SY11

SY10

SY20

SY13

I/O Pins

SY13

Note: Refer to Figure 22-2 for load conditions.

FSCM

Delay

SY35

SY30

SY12

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