PIC24F04KA201 datasheet(205/224 Pages) MICROCHIP

205 / 224 page

Preliminary

DS39937B-page 203

PIC24F04KA201 FAMILY

TABLE 26-26: RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER, POWER-UP TIMER

AND BROWN-OUT RESET TIMING REQUIREMENTS

AC CHARACTERISTICS

Standard Operating Conditions: 1.8V 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)

—

μs

SY11

TPWRT

Power-up Timer Period

SY12

TPOR

Power-on Reset Delay

μs

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

—

μs

SY35

TFSCM

Fail-Safe Clock Monitor Delay

—

2.3

μs

SY45

TRST

Configuration Update Time

—

μs

TVREG

On-Chip Voltage Regulator

Output Delay

—10

—

μs

SY55

TLOCK

PLL Start-up Time

—

SY65

TOST

Oscillator Start-up Time

—

1024

—

TOSC

SY75

TFRC

Fast RC Oscillator Start-up Time

—

1.5

μs

SY85

TLPRC

Low-Power Oscillator Start-up

Time

——

100

μs

Note 1:

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

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