PIC16F628-20SLASHSS datasheet(139/160 Pages) MICROCHIP

номер детали	PIC16F628-20/SS

подробное описание детали	FLASH-Based 8-Bit CMOS Microcontrollers

PDF	160 Pages

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производитель	MICROCHIP [Microchip Technology]

домашняя страница	http://www.microchip.com

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139 / 160 page

Preliminary

DS40300B-page 139

PIC16F62X

17.5

Timing Diagrams and Specifications

FIGURE 17-6: EXTERNAL CLOCK TIMING

TABLE 17-4:

EXTERNAL CLOCK TIMING REQUIREMENTS

Parameter

No.

Sym

Characteristic

Min

Typ†

Max

Units

Conditions

Fosc

External CLKIN Frequency

(Note 1)

—

MHz

XT and ER osc mode,

VDD=5.0V

—

MHz

HS osc mode

—

200

kHz

LP osc mode

Oscillator Frequency

(Note 1)

—

MHz

ER osc mode, VDD=5.0V

0.1

—

MHz

XT osc mode

1—

—

200

MHz

kHz

HS osc mode

LP osc mode

MHz

INTRC mode (fast)

kHz

INTRC mode (slow)

Tosc

External CLKIN Period

(Note 1)

250

—

XT and ER osc mode

—

HS osc mode

5—

—

µsLP osc mode

Oscillator Period

(Note 1)

250

—

ER osc mode

250

—

10,000

XT osc mode

—

1,000

HS osc mode

µsLP osc mode

250

INTRC mode (fast)

µs

INTRC mode (slow)

Tcy

Instruction Cycle Time (Note 1) 1.0

TCY

TCY = 4/FOSC

TosL,

TosH

External CLKIN (OSC1) High

External CLKIN Low

100 *

—

XT oscillator, TOSC L/H duty

cycle

INTRC Internal Calibrated ER

3.65

4.00

4.28

MHz

VDD = 5.0V

External Biased ER Frequency 10kHz

8MHz

VDD = 5.0V

OSC1

CLKOUT

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