Microchip MCP2515 Handleiding

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 2003-2021 Microchip Technology Inc.DS20001801K-page 1

MCP2515

Features

•Implements CAN V2.0B at 1 Mb/s:

-0 to 8-byte length in the data field

-Standard and extended data and remote

frames

•Receive Buffers, Masks and Filters:

-Two receive buffers with prioritized message

storage

-Six 29-bit filters

-Two 29-bit masks

•Data Byte Filtering on the First Two Data Bytes

(applies to standard data frames)

•Three Transmit Buffers with Prioritization and

Abort Features

•High-Speed SPI Interface (10MHz):

-SPI Modes 0,0 and 1,1

•One-Shot mode Ensures Message Transmission

is Attempted Only One Time

•Clock Out Pin with Programmable Prescaler:

-Can be used as a clock source for other

device(s)

•Start-of-Frame (SOF) Signal is Available for

Monitoring the SOF Signal:

-Can be used for time slot-based protocols

and/or bus diagnostics to detect early bus

degradation

•Interrupt Output Pin with Selectable Enables

•Buffer Full Output Pins Configurable as:

-Interrupt output for each receive buffer

-General purpose output

•Request-to-Send (RTS) Input Pins Individually

Configurable as:

-Control pins to request transmission for each

transmit buffer

-General purpose inputs

•Low-Power CMOS Technology:

-Operates from 2.7V-5.5V

-5 mA active current (typical)

-1 µA standby current (typical) (Sleep mode)

•Temperature Ranges Supported:

-Industrial (I): -40°C to +85°C

-Extended (E): -40°C to +125°C

•AEC-Q100 Qualified

Description

Microchip Technology’s MCP2515 is a stand-alone

Controller Area Network (CAN) controller that imple-

ments the CAN specification, Version 2.0B. It is capable

of transmitting and receiving both standard and

extended data and remote frames. The MCP2515 has

two acceptance masks and six acceptance filters that

are used to filter out unwanted messages, thereby

reducing the host MCU’s overhead. The MCP2515

interfaces with microcontrollers (MCUs) via an industry

standard Serial Peripheral Interface (SPI).

Package Types

16

5

TXCAN

RXCAN

VDD

RESET

CS

SO

MCP2515

1

2

3

4

18

17

16

15

SI

SCK

INT

RX0BF

14

13

12

11

RX1BF10

OSC2

OSC1

CLKOUT/SOF

TX2RTS

5

6

7

8

VSS 9

TX0RTS

TX1RTS

TXCAN

RXCAN

TX0RTS

OSC1

CLKOUT/SOF

OSC2

CS

VDD

RESET

SO

SCK

INT

SI

RX0BF

RX1BF

VSS

TX1RTS

TX2RTS

NC NC

18-Lead PDIP/SOIC

20-Lead TSSOP

2

NC

TX2RTS

TX0RTS

SO

SI

OSC2

NC

OSC1

GND

RX1BF

SCK

RXCAN

TXCAN

VDD

RESET

TX1RTS

EP

20

1

19 18 17

3

4

14

13

12

11

6 7 89

21

10

15

CLKOUT

CS

INT

RX0BF

* Includes Exposed Thermal Pad (EP); see Table 1-1.

13

12

1

2

3

4

5

6

7

8

9

20

19

18

17

16

15

14

11

10

MCP2515

20-Lead QFN*

Stand-Alone CAN Controller with SPI Interface

Product specificaties