PIC18F23K20-ESLASHML datasheet(385/456 Pages) MICROCHIP

385 / 456 page

 2010 Microchip Technology Inc.

DS41303G-page 385

PIC18F2XK20/4XK20

TABLE 26-6:

EXTERNAL CLOCK TIMING REQUIREMENTS

Param.

No.

Symbol

Characteristic

Min

Max

Units

Conditions

FOSC

External CLKIN

Frequency(1)

MHz

EC, ECIO Oscillator mode,

(Extended Range Devices)

MHz

EC, ECIO Oscillator mode,

(Industrial Range Devices)

Oscillator Frequency(1)

MHz

RC Oscillator mode

0.1

MHz

XT Oscillator mode

MHz

HS Oscillator mode

MHz

HS + PLL Oscillator mode,

(Industrial Range Devices)

MHz

HS + PLL Oscillator mode,

(Extended Range Devices)

200

kHz

LP Oscillator mode

1TOSC

External CLKIN Period(1)

20.8

—

EC, ECIO, Oscillator mode

(Extended Range Devices)

15.6

—

EC, ECIO, Oscillator mode,

(Industrial Range Devices)

Oscillator Period(1)

250

—

RC Oscillator mode

250

10,000

XT Oscillator mode

62.5

83.3

250

HS Oscillator mode

HS + PLL Oscillator mode,

(Industrial range devices)

HS + PLL Oscillator mode,

(Extended Range Devices)

5200

s

LP Oscillator mode

2TCY

Instruction Cycle Time(1)

62.5

—

TCY = 4/FOSC

3TOSL,

TOSH

External Clock in (OSC1)

High or Low Time

—

XT Oscillator mode

2.5

—

s

LP Oscillator mode

—

HS Oscillator mode

4TOSR,

TOSF

External Clock in (OSC1)

Rise or Fall Time

—

XT Oscillator mode

—

LP Oscillator mode

—

7.5

HS Oscillator mode

Note 1:

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/CLKIN pin. When an external clock

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

PIC18F23K20-E/ML Datasheet(PDF) 385 Page - Microchip Technology

PIC18F23K20-E/ML Datasheet(HTML) 385 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL