PIC18LF4523T-I/SO 查看數據表（PDF） - Microchip Technology

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PIC18LF4523T-I/SO

28/40/44-Pin, Enhanced Flash Microcontrollers with 12-Bit A/D and nanoWatt Technology

Microchip Technology 

PIC18F2423/2523/4423/4523

TABLE 1-3: PIC18F4423/4523 PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name

Pin Number

Pin Buffer

PDIP QFN TQFP Type Type

Description

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

software programmed for internal weak pull-ups on all

inputs.

RB0/INT0/FLT0/AN12 33 9

RB0

INT0

FLT0

AN12

8

I/O TTL Digital I/O.

I

ST

External Interrupt 0.

I

ST

PWM Fault input for Enhanced CCP1.

I Analog Analog Input 12.

RB1/INT1/AN10

RB1

INT1

AN10

34 10

9

I/O TTL Digital I/O.

I

ST

External Interrupt 1.

I Analog Analog Input 10.

RB2/INT2/AN8

RB2

INT2

AN8

35 11 10

I/O TTL Digital I/O.

I

ST

External Interrupt 2.

I Analog Analog Input 8.

RB3/AN9/CCP2

RB3

AN9

CCP2(1)

36 12 11

I/O TTL Digital I/O.

I Analog Analog Input 9.

I/O ST

Capture 2 input/Compare 2 output/PWM2 output.

RB4/KBI0/AN11

RB4

KBI0

AN11

37 14 14

I/O TTL Digital I/O.

I TTL Interrupt-on-change pin.

I Analog Analog Input 11.

RB5/KBI1/PGM

RB5

KBI1

PGM

38 15 15

I/O TTL Digital I/O.

I TTL Interrupt-on-change pin.

I/O ST

Low-Voltage ICSP™ Programming enable pin.

RB6/KBI2/PGC

RB6

KBI2

PGC

39 16 16

I/O TTL Digital I/O.

I TTL Interrupt-on-change pin.

I/O ST

In-Circuit Debugger and ICSP programming

clock pin.

RB7/KBI3/PGD

RB7

KBI3

PGD

40 17 17

I/O TTL Digital I/O.

I TTL Interrupt-on-change pin.

I/O ST

In-Circuit Debugger and ICSP programming

data pin.

Legend:

Note 1:

TTL = TTL compatible input

ST = Schmitt Trigger input with CMOS levels

O = Output

I2C = I2C™/SMBus

CMOS = CMOS compatible input or output

I

= Input

P

= Power

Default assignment for CCP2 when Configuration bit, CCP2MX, is set.

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

DS39755C-page 20

© 2009 Microchip Technology Inc.

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