RFPIC12C509AF datasheet(86/104 Pages) MICROCHIP

86 / 104 page

rfPIC12C509AG/509AF

DS70031A-page 84

Preliminary

FIGURE 11-6:

RESET, WATCHDOG TIMER AND DEVICE RESET TIMER

TABLE 11-6:

RESET, WATCHDOG TIMER, AND DEVICE RESET TIMER

AC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature

–40

°C ≤ TA ≤ +85°C (industrial)

Operating Voltage VDD range is described in Section 11.1

Parameter

No.

Sym

Characteristic

Min

Typ(1)

Max

Units

Conditions

TmcL

MCLR Pulse Width (low)

2000*

—

VDD =5 V

Twdt

Watchdog Timer Time-out Period

(No Prescaler)

18*

30*

VDD = 5 V (Commercial)

TDRT

Device Reset Timer Period(2)

18*

30*

VDD = 5 V (Commercial)

TioZ

I/O Hi-impedance from MCLR Low

—

2000*

* These parameters are characterized but not tested.

Note 1: Data in the Typical (“Typ”) column is at 5V, 25

°C unless otherwise stated. These parameters are for design

guidance only and are not tested.

2: See Table 13-6.

VDD

MCLR

Internal

POR

DRT

Timeout

Internal

RESET

Watchdog

Timer

Reset

I/O pin

(Note 1)

Note 1: I/O pins must be taken out of hi-impedance mode by enabling the output drivers in software.

(Note 2)

2: Runs in MCLR or WDT Reset only in XT and LP modes.

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