PIC18F44J10 datasheet(18/368 Pages) MICROCHIP

18 / 368 page

PIC18F45J10 FAMILY

DS39682E-page 16

TABLE 1-3:

PIC18F44J10/45J10 PINOUT I/O DESCRIPTIONS

Pin Name

Pin Number

Type

Buffer

Type

Description

PDIP

QFN

TQFP

MCLR

118

IST

Master Clear (input) or programming voltage (input).

Master Clear (Reset) input. This pin is an active-low

Reset to the device.

OSC1/CLKI

OSC1

CLKI

—

CMOS

Oscillator crystal or external clock input.

Oscillator crystal input or external clock source input.

External clock source input. Always associated with

pin function OSC1. See related OSC2/CLKO pins.

OSC2/CLKO

OSC2

CLKO

—

Oscillator crystal or clock output.

Oscillator crystal output. Connects to crystal

or resonator in Crystal Oscillator mode.

In RC mode, OSC2 pin outputs CLKO which

has 1/4 the frequency of OSC1 and denotes

the instruction cycle rate.

Legend:

TTL = TTL compatible input

CMOS = CMOS compatible input or output

ST = Schmitt Trigger input with CMOS levels

= Input

= Output

= Power

Note 1:

Default assignment for CCP2 when Configuration bit, CCP2MX, is set.

Alternate assignment for CCP2 when Configuration bit, CCP2MX, is cleared.

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