RFPIC12C509AF datasheet(87/104 Pages) MICROCHIP

87 / 104 page

Preliminary

DS70031A-page 85

rfPIC12C509AG/509AF

TABLE 11-7:

DRT (DEVICE RESET TIMER PERIOD)

FIGURE 11-7:

TIMER0 CLOCK TIMINGS

TABLE 11-8:

TIMER0 CLOCK REQUIREMENTS

Oscillator Configuration

POR Reset

Subsequent RESETS

IntRC & ExtRC

18 ms (typical)(1)

300 µs (typical)(1)

XT & LP

18 ms (typical)(1)

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.

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

Tt0H T0CKI High Pulse Width- No Prescaler

0.5 TCY + 20*

—

- With Prescaler

10*

—

Tt0L T0CKI Low Pulse Width- No Prescaler

0.5 TCY + 20*

—

- With Prescaler

10*

—

Tt0P T0CKI Period

20 or TCY +40*

—

Whichever is greater.

N =Prescale Value

(1, 2, 4,..., 256)

* 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.

T0CKI

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