PIC18F25K20T-ISO Datasheet, PDF(18/456 Page) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

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PIC18F25K20T-ISO Datasheet, PDF (18/456 Pages) Microchip Technology – 28/40/44-Pin Flash Microcontrollers with nanoWatt XLP Technology

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PIC18F2XK20/4XK20

TABLE 1-2: PIC18F2XK20 PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name

Pin Number

Pin Buffer

PDIP,

SOIC

QFN

Type

Type

Description

PORTB is a bidirectional I/O port. PORTB can be software

programmed for internal weak pull-up on each input.

RB0/INT0/FLT0/AN12

RB0

INT0

FLT0

AN12

21 18

I/O TTL Digital I/O

I ST

External interrupt 0

I ST

PWM Fault input for CCP1

I Analog Analog input 12, ADC channel 12

RB1/INT1/AN10/C12IN3- 22

/P1C

RB1

INT1

AN10

C12IN3-

P1C

19

I/O TTL

I ST

I Analog

I Analog

O CMOS

Digital I/O

External interrupt 1

Analog input 10, ADC channel 10

Comparators C1 and C2 inverting input

Enhanced CCP1 PWM output

RB2/INT2/AN8/P1B

RB2

INT2

AN8

P1B

23 20

I/O TTL Digital I/O

I ST

External interrupt 2

I Analog Analog input 8, ADC channel 8

O CMOS Enhanced CCP1 PWM output

RB3/AN9/C12IN2-/CCP2 24

RB3

AN9

C12IN2-

CCP2(2)

21

I/O TTL Digital I/O

I Analog Analog input 9, ADC channel 9

I Analog Comparators C1 and C2 inverting input

I/O ST

Capture 2 input/Compare 2 output/PWM 2 output

RB4/KBI0/AN11/P1D

RB4

KBI0

AN11

P1D

25 22

I/O TTL Digital I/O

I TTL Interrupt-on-change pin

I Analog Analog input 11, ADC channel 11

O CMOS Enhanced CCP1 PWM output

RB5/KBI1/PGM

RB5

KBI1

PGM

26 23

I/O TTL

I TTL

I/O ST

Digital I/O

Interrupt-on-change pin

Low-Voltage ICSPâ¢ Programming enable pin

RB6/KBI2/PGC

RB6

KBI2

PGC

27 24

I/O TTL

I TTL

I/O ST

Digital I/O

Interrupt-on-change pin

In-Circuit Debugger and ICSPâ¢ programming clock pin

RB7/KBI3/PGD

RB7

KBI3

PGD

28 25

I/O TTL

I TTL

I/O ST

Legend: TTL = TTL compatible input

ST = Schmitt Trigger input with CMOS levels

O = Output

Digital I/O

Interrupt-on-change pin

In-Circuit Debugger and ICSPâ¢ programming data pin

CMOS = CMOS compatible input or output

I

= Input

P

= Power

Note 1: Default assignment for CCP2 when Configuration bit CCP2MX is set.

2: Alternate assignment for CCP2 when Configuration bit CCP2MX is cleared.

DS41303G-page 18

ï£ 2010 Microchip Technology Inc.

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