PIC12F635 Просмотр технического описания (PDF) - Unspecified

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PIC12F635

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

Unspecified 

PIC12F635/PIC16F636/639

TABLE 1-2: PIC16F636 PINOUT DESCRIPTIONS

Name

Function

Input

Type

Output

Type

Description

VDD

RA5/T1CKI/OSC1/CLKIN

VDD

RA5

T1CKI

OSC1

CLKIN

D

TTL

ST

XTAL

ST

— Power supply for microcontroller.

CMOS General purpose I/O. Individually controlled

interrupt-on-change. Individually enabled pull-up/pull-down.

— Timer1 clock.

— XTAL connection.

— TOSC reference clock.

RA4/T1G/OSC2/CLKOUT

RA4 TTL CMOS General purpose I/O. Individually controlled

interrupt-on-change. Individually enabled pull-up/pull-down.

RA3/MCLR/VPP

T1G

ST

OSC2 —

CLKOUT —

RA3 TTL

— Timer1 gate.

XTAL XTAL connection.

CMOS TOSC/4 reference clock.

— General purpose input. Individually controlled

interrupt-on-change.

MCLR

RC5

RC4/C2OUT

RC3

RC2

RC1/C2IN-

RC0/C2IN+

RA2/T0CKI/INT/C1OUT

VPP

RC5

RC4

C2OUT

RC3

RC2

RC1

C2IN-

RC0

C2IN+

RA2

RA1/C1IN-/VREF/ICSPCLK

T0CKI

INT

C1OUT

RA1

C1IN-

ICSPCLK

RA0/C1IN+/ICSPDAT/ULPWU RA0

C1IN+

ICSPDAT

ULPWU

VSS

VSS

Legend: AN = Analog input or output

HV = High Voltage

TTL = TTL compatible input

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 Comparator 2 output.

TTL CMOS General purpose I/O.

TTL CMOS General purpose I/O.

TTL CMOS General purpose I/O.

AN

— Comparator 1 input – negative.

TTL CMOS General purpose I/O.

AN

— Comparator 1 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 Comparator 1 output.

TTL CMOS General purpose I/O. Individually controlled

interrupt-on-change. Individually enabled pull-up/pull-down.

AN

— Comparator 1 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

— Comparator 1 input – positive.

TTL CMOS Serial programming data I/O.

AN

— Ultra Low-Power Wake-up input.

D

— Ground reference for microcontroller.

CMOS = CMOS compatible input or output

D = Direct

ST = Schmitt Trigger input with CMOS levels

XTAL = Crystal

© 2005 Microchip Technology Inc.

Preliminary

DS41232B-page 9

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