PIC16F570 datasheet(94/129 Pages) MICROCHIP

94 / 129 page

PIC16F570

DS40001684E-page 94

 2013-2014 Microchip Technology Inc.

FIGURE 15-8:

TIMER0 CLOCK TIMINGS

T0CKI

TABLE 15-12: TIMER0 CLOCK REQUIREMENTS

AC Characteristics

Standard Operating Conditions (unless otherwise specified)

Operating Temperature

-40

C  TA  +85C (industrial)

-40

C  TA  +125C (extended)

Operating voltage VDD range is described in Section 15.1 “DC Characteris-

tics: PIC16F570 (Industrial)”.

Param.

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* N

—

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.

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