DSPIC30F datasheet(185/220 Pages) MICROCHIP

185 / 220 page

 2004 Microchip Technology Inc.

Preliminary

DS70116C-page 183

dsPIC30F5011/5013

TABLE 23-17: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER

AND BROWN-OUT RESET TIMING REQUIREMENTS

FIGURE 23-7:

BAND GAP START-UP TIME CHARACTERISTICS

TABLE 23-18: BAND GAP START-UP TIME 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

TBD

-40°C to +85°C

User programmable

SY12

TPOR

Power On Reset Delay

µs

-40°C to +85°C

SY13

TIOZ

I/O Hi-impedance from MCLR

Low or Watchdog Timer Reset

—

100

SY20

TWDT1

Watchdog Timer Time-out Period

(No Prescaler)

1.8

2.0

2.2

VDD = 5V, -40°C to +85°C

TWDT2

1.9

2.1

2.3

VDD = 3V, -40°C to +85°C

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

—

100

—

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 23-2 and Table 23-9 for BOR.

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

SY40

TBGAP

Band Gap Start-up Time

—

µs

Defined as the time between the

instant that the band gap is enabled

and the moment that the band gap

reference voltage is stable.

RCON<13>Status bit

Note 1:

These parameters are characterized but not tested in manufacturing.

Data in “Typ” column is at 5V, 25°C unless otherwise stated.

VBGAP

Enable Band Gap

Band Gap

(see Note)

Stable

Note: Set LVDEN bit (RCON<12>) or FBORPOR<7>set.

SY40

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