PIC18F26K80-I Datasheet, PDF(25/622 Page) Microchip Technology – 28/40/44/64-Pin, Enhanced Flash Microcontrollers with ECAN™ and nanoWatt XLP Technology

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PIC18F26K80-I Datasheet, PDF (25/622 Pages) Microchip Technology – 28/40/44/64-Pin, Enhanced Flash Microcontrollers with ECAN™ and nanoWatt XLP Technology

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PIC18F66K80 FAMILY

TABLE 1-5: PIC18F4XK80 PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name

Pin Number

Pin Buffer

PDIP

QFN/

TQFP

Type

Type

Description

PORTA is a bidirectional I/O port.

RA0/CVREF/AN0/ULPWU 2

19

RA0

I/O ST/ General purpose I/O pin.

CMOS

CVREF

O Analog Comparator reference voltage output.

AN0

I Analog Analog Input 0.

ULPWU

I Analog Ultra Low-Power Wake-up input.

RA1/AN1/C1INC

3

20

RA1

I/O ST/ Digital I/O.

CMOS

AN1

I Analog Analog Input 1.

C1INC

I Analog Comparator 1 Input C.

RA2/VREF-/AN2/C2INC

4

21

RA2

I/O ST/ Digital I/O.

CMOS

VREF-

I Analog A/D reference voltage (low) input.

AN2

I Analog Analog Input 2.

C2INC

I Analog Comparator 2 Input C.

RA3/VREF+/AN3

5

22

RA3

I/O ST/ Digital I/O.

CMOS

VREF+

I Analog A/D reference voltage (high) input.

AN3

I Analog Analog Input 3.

RA5/AN4/HLVDIN/T1CKI/ 7

24

SS

RA5

I/O ST/ Digital I/O.

CMOS

AN4

I Analog Analog Input 4.

HLVDIN

I Analog High/Low-Voltage Detect input.

T1CKI

I

ST Timer1 clock input.

SS

Legend:

I

ST SPI slave select input.

I2Câ¢ = I2C/SMBus input buffer

CMOS = CMOS compatible input or output

ST = Schmitt Trigger input with CMOS levels

Analog = Analog input

I = Input

O

= Output

P = Power

ï£ 2010-2012 Microchip Technology Inc.

DS39977F-page 25

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