PIC18LF458-EPT Просмотр технического описания (PDF) - Microchip Technology

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производитель

PIC18LF458-EPT

28/40-Pin High-Performance, Enhanced Flash Microcontrollers with CAN Module

Microchip Technology 

PIC18FXX8

TABLE 1-2: PIC18FXX8 PINOUT I/O DESCRIPTIONS (CONTINUED)

Pin Name

Pin Number

PIC18F248/258 PIC18F448/458

SPDIP, SOIC PDIP TQFP PLCC

Pin

Type

Buffer

Type

Description

RB0/INT0

RB0

INT0

PORTB is a bidirectional I/O port.

PORTB can be software

programmed for internal weak

pull-ups on all inputs.

21

33

8

36

I/O TTL

Digital I/O.

I

ST

External interrupt 0.

RB1/INT1

RB1

INT1

22

34

9

37

I/O TTL

Digital I/O.

I

ST

External interrupt 1.

RB2/CANTX/INT2

RB2

CANTX

INT2

23

35

10

38

I/O TTL

Digital I/O.

O

TTL

Transmit signal for CAN bus.

I

ST

External interrupt 2.

RB3/CANRX

RB3

CANRX

24

36

11

39

I/O TTL

Digital I/O.

I

TTL

Receive signal for CAN bus.

RB4

RB5/PGM

RB5

PGM

RB6/PGC

RB6

PGC

25

37

14

41 I/O TTL

Digital I/O.

Interrupt-on-change pin.

26

38

15

42

I/O TTL

Digital I/O.

Interrupt-on-change pin.

I

ST

Low-voltage ICSP™

programming enable.

27

39

16

43

I/O TTL

Digital I/O. In-Circuit

Debugger pin.

Interrupt-on-change pin.

I

ST

ICSP programming clock.

RB7/PGD

RB7

28

40

17

44

PGD

Legend:

TTL = TTL compatible input

ST = Schmitt Trigger input with CMOS levels

I = Input

P = Power

I/O TTL

I/O

ST

Digital I/O. In-Circuit

Debugger pin.

Interrupt-on-change pin.

ICSP programming data.

CMOS = CMOS compatible input or output

Analog = Analog input

O

= Output

OD = Open-Drain (no P diode to VDD)

DS41159E-page 12

© 2006 Microchip Technology Inc.

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