MCP2515-ESLASHST datasheet(4/84 Pages) MICROCHIP

4 / 84 page

MCP2515

DS21801D-page 4

Preliminary

FIGURE 1-2:

EXAMPLE SYSTEM IMPLEMENTATION

TABLE 1-1:

PINOUT DESCRIPTION

Name

PDIP/SOIC

Pin #

TSSOP

Pin #

I/O/P

Type

Description

Alternate Pin Function

TXCAN

Transmit output pin to CAN bus

—

RXCAN

Receive input pin from CAN bus

—

CLKOUT

Clock output pin with programmable

prescaler

Start-of-Frame signal

TX0RTS

Transmit buffer TXB0 request-to-send.

100 k

Ω internal pull-up to VDD

General purpose digital input.

100 k

Ω internal pull-up to VDD

TX1RTS

Transmit buffer TXB1 request-to-send.

100 k

Ω internal pull-up to VDD

General purpose digital input.

100 k

Ω internal pull-up to VDD

TX2RTS

Transmit buffer TXB2 request-to-send.

100 k

Ω internal pull-up to VDD

General purpose digital input.

100 k

Ω internal pull-up to VDD

OSC2

Oscillator output

—

OSC1

Oscillator input

External clock input

VSS

Ground reference for logic and I/O pins —

RX1BF

Receive buffer RXB1 interrupt pin or

general purpose digital output

General purpose digital output

RX0BF

Receive buffer RXB0 interrupt pin or

general purpose digital output

General purpose digital output

INT

Interrupt output pin

—

SCK

Clock input pin for SPI™ interface

—

Data input pin for SPI interface

—

Data output pin for SPI interface

—

Chip select input pin for SPI interface

—

RESET

Active low device reset input

—

VDD

Positive supply for logic and I/O pins

—

6,15

—

No internal connection

Note:

Type Identification: I = Input; O = Output; P = Power

Node

Controller

MCP2515

XCVR

SPI™

CANH

CANL

Node

Controller

MCP2515

XCVR

SPI

Node

Controller

MCP2515

XCVR

SPI

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