PIC12F635T Ver la hoja de datos (PDF) - Unspecified

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componentes Descripción

Fabricante

PIC12F635T

8/14-Pin Flash-Based, 8-Bit CMOS Microcontrollers with nanoWatt Technology

Unspecified 

PIC12F635/PIC16F636/639

TABLE 1-3: PIC16F639 PINOUT DESCRIPTIONS

Name

VDD

RA5/T1CKI/OSC1/CLKIN

RA4/T1G/OSC2/CLKOUT

RA3/MCLR/VPP

RC5

RC4/C2OUT

RC3/LFDATA/RSSI/CCLK/SDIO

VDDT

LCZ

LCY

LCX

LCCOM

VSST

RC2/SCLK/ALERT

RC1/C2IN-/CS

RC0/C2IN+

RA2/T0CKI/INT/C1OUT

RA1/C1IN-/VREF/ICSPCLK

RA0/C1IN+/ICSPDAT/ULPWU

Function

VDD

RA5

T1CKI

OSC1

CLKIN

RA4

T1G

OSC2

CLKOUT

RA3

MCLR

VPP

RC5

RC4

C2OUT

RC3

LFDATA

RSSI

CCLK

SDIO

VDDT

LCZ

LCY

LCX

LCCOM

VSST

RC2

SCLK

ALERT

RC1

C2IN-

CS

RC0

C2IN+

RA2

T0CKI

INT

C1OUT

RA1

C1IN-

ICSPCLK

RA0

VSS

Legend:

C1IN+

ICSPDAT

ULPWU

VSS

AN = Analog input or output

HV = High Voltage

TTL = TTL compatible input

Input

Type

Output

Type

Description

D

TTL

ST

XTAL

ST

TTL

ST

—

CMOS

—

—

—

CMOS

—

Power supply for microcontroller

General purpose I/O. Individually controlled interrupt-on-change.

Individually enabled pull-up/pull-down.

Timer1 clock

XTAL connection

TOSC/4 reference clock

General purpose I/O. Individually controlled interrupt-on-change.

Individually enabled pull-up/pull-down.

Timer1 gate

—

XTAL XTAL connection

—

CMOS TOSC reference clock

TTL

—

General purpose input. Individually controlled interrupt-on-change.

ST

—

Master Clear Reset. Pull-up enabled when configured as MCLR.

HV

— Programming voltage

TTL

CMOS General purpose I/O

TTL

CMOS General purpose I/O

—

CMOS Comparator2 output

TTL

CMOS General purpose I/O

—

CMOS Digital output representation of analog input signal to LC pins.

—

Current Received signal strength indicator. Analog current that is proportional

to input amplitude.

—

— Carrier clock output

TTL

CMOS Input/Output for SPI communication

D

—

Power supply for Analog Front-End. In this document, VDDT is treated

the same as VDD, unless otherwise stated.

AN

— 125 kHz analog Z channel input

AN

— 125 kHz analog Y channel input

AN

— 125 kHz analog X channel input

AN

— Common reference for analog inputs

D

—

Ground reference for Analog Front-End. In this document, VSST is

treated the same as VSS, unless otherwise stated.

TTL

CMOS General purpose I/O

TTL

— Digital clock input for SPI communication

—

OD Output with internal pull-up resistor for AFE error signal

TTL

CMOS General purpose I/O

AN

—

Comparator1 input - negative

TTL

—

Chip select input for SPI communication with internal pull-up resistor

TTL

CMOS General purpose I/O

AN

—

Comparator1 input - positive

ST

CMOS General purpose I/O. Individually controlled interrupt-on-change.

Individually enabled pull-up/pull-down.

ST

— External clock for Timer0

ST

— External Interrupt

—

CMOS Comparator1 output

TTL

CMOS General purpose I/O. Individually controlled interrupt-on-change.

Individually enabled pull-up/pull-down.

AN

— Comparator1 input – negative

ST

— Serial Programming Clock

TTL

— General purpose I/O. Individually controlled interrupt-on-change.

Individually enabled pull-up/pull-down. Selectable Ultra Low-Power

Wake-up pin.

AN

— Comparator1 input – positive

TTL

CMOS Serial Programming Data IO

AN

— Ultra Low-Power Wake-up input

D

— Ground reference for microcontroller

CMOS = CMOS compatible input or output

ST

= Schmitt Trigger input with CMOS levels

XTAL = Crystal

D = Direct

OD = Direct

DS41232B-page 10

Preliminary

© 2005 Microchip Technology Inc.

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