PIC18F4431 datasheet(4/396 Pages) MICROCHIP

Part #	PIC18F4431

Description	28/40/44-Pin Enhanced Flash Microcontrollers with nanoWatt Technology, High Performance PWM and A/D

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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4 / 396 page

PIC18F2331/2431/4331/4431

DS39616B-page 2

Preliminary

 2003 Microchip Technology Inc.

Pin Diagrams

40-Pin PDIP

28-Pin SDIP, SOIC

MCLR/VPP/RE3

RA0/AN0

RA1/AN1

RA2/AN2/VREF-/CAP1/INDX

RA3/AN3/VREF+/CAP2/QEA

RA4/AN4/CAP3/QEB

AVDD

AVSS

OSC1/CLKI/RA7

OSC2/CLKO/RA6

RC0/T1OSO/T1CKI

RC1/T1OSI/CCP2/FLTA

RC2/CCP1/FLTB

RC3/T0CKI/T5CKI/INT0

RB7/KBI3/PGD

RB6/KBI2/PGC

RB5/KBI1/PWM4/PGM(1)

RB4/KBI0/PWM5

RB3/PWM3

RB2/PWM2

RB1/PWM1

RB0/PWM0

VDD

VSS

RC7/RX/DT/SDO

RC6/TX/CK/SS

RC5/INT2/SCK/SCL

RC4/INT1/SDI/SDA

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Note 1:

Low-voltage programming must be enabled.

RB7/KBI3/PGD

RB6/KBI2/PGC

RB5/KBI1/PWM4/PGM(2)

RB4/KBI0/PWM5

RB3/PWM3

RB2/PWM2

RB1/PWM1

RB0/PWM0

VDD

VSS

RD7/PWM7

RD6/PWM6

RD5/PWM4(4)

RD4/FLTA(3)

RC7/RX/DT/SDO(1)

RC6/TX/CK/SS

RC5/INT2/SCK(1)/SCL(1)

RC4/INT1/SDI(1)/SDA(1)

RD3/SCK/SCL

RD2/SDI/SDA

MCLR/VPP/RE3

RA0/AN0

RA1/AN1

RA2/AN2/VREF-/CAP1/INDX

RA3/AN3/VREF+/CAP2/QEA

RA4/AN4/CAP3/QEB

RA5/AN5/LVDIN

RE0/AN6

RE1/AN7

RE2/AN8

AVDD

AVSS

OSC1/CLKI/RA7

OSC2/CLKO/RA6

RC0/T1OSO/T1CKI

RC1/T1OSI/CCP2/FLTA

RC2/CCP1/FLTB

RC3/T0CKI(1)/T5CKI(1)/INT0

RD0/T0CKI/T5CKI

RD1/SDO

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Note 1:

RC3 is the alternate pin for T0CKI/T5CKI; RC4 is the alternate pin for SDI/SDA; RC5 is the alternate pin

for SCK/SCL.

2:

Low-voltage programming must be enabled.

3:

RD4 is the alternate pin for FLTA.

4:

RD5 is the alternate pin for PWM4.

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PIC18F4431 Datasheet(PDF) 4 Page - Microchip Technology

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