PIC18F258T-I/SP 查看數據表（PDF） - Microchip Technology

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PIC18F258T-I/SP

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

RA0/AN0/CVREF

RA0

AN0

CVREF

RA1/AN1

RA1

AN1

PORTA is a bidirectional I/O port.

2

2

19

3

I/O TTL

Digital I/O.

I Analog

Analog input 0.

O Analog

Comparator voltage reference

output.

3

3

20

4

I/O TTL

Digital I/O.

I Analog

Analog input 1.

RA2/AN2/VREF-

RA2

AN2

VREF-

RA3/AN3/VREF+

RA3

AN3

VREF+

RA4/T0CKI

RA4

T0CKI

4

4

21

5

I/O TTL

Digital I/O.

I Analog

Analog input 2.

I Analog

A/D reference voltage

(Low) input.

5

5

22

6

I/O TTL

Digital I/O.

I Analog

Analog input 3.

I Analog

A/D reference voltage

(High) input.

6

6

23

7

I/O TTL/OD Digital I/O – open-drain when

configured as output.

I

ST

Timer0 external clock input.

RA5/AN4/SS/LVDIN

7

RA5

AN4

SS

LVDIN

7

24

8

I/O TTL

Digital I/O.

I Analog

Analog input 4.

I

ST

SPI™ slave select input.

I Analog

Low-Voltage Detect input.

RA6

Legend:

TTL = TTL compatible input

ST = Schmitt Trigger input with CMOS levels

I = Input

P = Power

See the OSC2/CLKO/RA6 pin.

CMOS = CMOS compatible input or output

Analog = Analog input

O

= Output

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

© 2006 Microchip Technology Inc.

DS41159E-page 11

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