PIC18LF2610-I/ML View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

PIC18LF2610-I/ML

28/40/44-Pin Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2X1X/4X1X

25.4.3 TIMING DIAGRAMS AND SPECIFICATIONS

FIGURE 25-6:

EXTERNAL CLOCK TIMING (ALL MODES EXCEPT PLL)

Q4

Q1

Q2

Q3

Q4

Q1

OSC1

CLKO

1

3

3

4

4

2

TABLE 25-6: EXTERNAL CLOCK TIMING REQUIREMENTS

Param.

No.

Symbol

Characteristic

Min

1A

FOSC

External CLKI Frequency(1)

DC

DC

Max Units

Conditions

1

MHz XT, RC Oscillator mode

20

MHz HS Oscillator mode

1

2

3

4

Note 1:

Oscillator Frequency(1)

DC

31.25 kHz LP Oscillator mode

DC

4

MHz RC Oscillator mode

0.1

4

MHz XT Oscillator mode

4

20

MHz HS Oscillator mode

TOSC

External CLKI Period(1)

5

1000

200

kHz LP Oscillator mode

—

ns XT, RC Oscillator mode

50

—

ns HS Oscillator mode

32

—

μs LP Oscillator mode

Oscillator Period(1)

250

—

ns RC Oscillator mode

250

1

μs XT Oscillator mode

100

250

ns HS Oscillator mode

50

250

ns HS Oscillator mode

5

TCY

Instruction Cycle Time(1)

100

—

μs LP Oscillator mode

—

ns TCY = 4/FOSC, Industrial

160

—

ns TCY = 4/FOSC, Extended

TOSL, External Clock in (OSC1)

30

TOSH

High or Low Time

2.5

—

ns XT Oscillator mode

—

μs LP Oscillator mode

10

—

ns HS Oscillator mode

TOSR, External Clock in (OSC1)

—

TOSF

Rise or Fall Time

—

20

ns XT Oscillator mode

50

ns LP Oscillator mode

—

7.5

ns HS Oscillator mode

Instruction cycle period (TCY) equals four times the input oscillator time base period for all configurations

except PLL. All specified values are based on characterization data for that particular oscillator type under

standard operating conditions with the device executing code. Exceeding these specified limits may result

in an unstable oscillator operation and/or higher than expected current consumption. All devices are tested

to operate at “min.” values with an external clock applied to the OSC1/CLKI pin. When an external clock

input is used, the “max.” cycle time limit is “DC” (no clock) for all devices.

© 2007 Microchip Technology Inc.

Preliminary

DS39636C-page 331

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