PIC12F519-ESLASHMS datasheet(13/88 Pages) MICROCHIP

13 / 88 page

Preliminary

DS41319A-page 11

PIC12F519

TABLE 3-2:

PIC12F519 PINOUT DESCRIPTION

Name

Function

Type

Input Type

Output

Type

Description

RB0/ICSPDAT

RB0

I/O

TTL

CMOS

Bidirectional I/O port with weak pull-up

ICSPDAT

I/O

CMOS

ICSP™ mode Schmitt Trigger

RB1/ICSPCLK

RB1

I/O

TTL

CMOS

Bidirectional I/O port with weak pull-up

ICSPCLK

—

ICSP™ mode Schmitt Trigger

RB2/T0CKI

RB2

I/O

TTL

CMOS

Bidirectional I/O port

T0CKI

—

Timer0 clock input

RB3/MCLR/VPP

RB3

TTL

—

Standard TTL input with weak pull-up

MCLR

IST

—

MCLR input – Weak pull-up always enabled in

this mode

VPP

High Voltage

—

Test mode high voltage pin

RB4/OSC2

RB4

I/O

TTL

CMOS

Bidirectional I/O port

OSC2

—

XTAL

XTAL oscillator output pin

RB5/OSC1/CLKIN RB5

I/O

TTL

CMOS

Bidirectional I/O port

OSC1

XTAL

—

XTAL oscillator input pin

CLKIN

—

EXTRC Schmitt Trigger input

VDD

—

Positive supply for logic and I/O pins

VSS

—

Ground reference for logic and I/O pins

Legend:

I = Input, O = Output, I/O = Input/Output, P = Power, — = Not Used, TTL = TTL input,

ST = Schmitt Trigger input, AN = Analog Voltage

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