PIC18F2685T-I/SP 查看數據表（PDF） - Microchip Technology

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PIC18F2685T-I/SP

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

Microchip Technology 

PIC18F2682/2685/4682/4685

TABLE 27-7: PLL CLOCK TIMING SPECIFICATIONS (VDD = 4.2V TO 5.5V)

Param

No.

Sym

Characteristic

Min

Typ†

Max Units Conditions

F10 FOSC Oscillator Frequency Range

4

—

10 MHz HS mode only

F11 FSYS On-Chip VCO System Frequency

16

—

40 MHz HS mode only

F12

trc

PLL Start-up Time (Lock Time)

F13 ΔCLK CLKO Stability (Jitter)

—

—

2

ms

-2

—

+2

%

† Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance

only and are not tested.

TABLE 27-8: AC CHARACTERISTICS: INTERNAL RC ACCURACY

PIC18F2682/2685/4682/4685 (INDUSTRIAL)

PIC18LF2682/2685/4682/4685 (INDUSTRIAL)

PIC18LF2682/2685/4682/4685 Standard Operating Conditions (unless otherwise stated)

(Industrial)

Operating temperature

-40°C ≤ TA ≤ +85°C for industrial

PIC18F2682/2685/4682/4685 Standard Operating Conditions (unless otherwise stated)

(Industrial)

Operating temperature

-40°C ≤ TA ≤ +85°C for industrial

Param

No.

Device

Min Typ Max Units

Conditions

INTOSC Accuracy @ Freq = 8 MHz, 4 MHz, 2 MHz, 1 MHz, 500 kHz, 250 kHz, 125 kHz(1)

PIC18LF268X/468X -2

+/-1 2

%

+25°C

VDD = 2.7-3.3V

-5

—

5

%

-10°C to +85°C

VDD = 2.7-3.3V

-10

+/-1 10

%

INTRC Accuracy @ Freq = 31 kHz(2)

-40°C to +85°C

VDD = 2.7-3.3V

PIC18LF268X/468X 26.562 — 35.938 kHz

-40°C to +85°C

VDD = 2.7-3.3V

Legend: Shading of rows is to assist in readability of the table.

Note 1: Frequency calibrated at 25°C. OSCTUNE register can be used to compensate for temperature drift.

2: INTRC frequency after calibration.

DS39761B-page 436

Preliminary

© 2007 Microchip Technology Inc.

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