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TXB2D5

Description
Stand-Alone CAN Controller with SPI Interface
File Size809KB,92 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet View All

TXB2D5 Overview

Stand-Alone CAN Controller with SPI Interface

MCP2515
Stand-Alone CAN Controller with SPI Interface
Features:
• Implements CAN V2.0B at 1 Mb/s:
- 0 – 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 (10 MHz):
- 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
Description
Microchip Technology’s MCP2515 is a stand-alone
Controller Area Network (CAN) controller that
implements 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
18-Lead PDIP/SOIC
TXCAN
RXCAN
CLKOUT/SOF
TX0RTS
TX1RTS
TX2RTS
OSC2
OSC1
Vss
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
TXCAN
18
17
16
V
DD
RESET
CS
SO
SI
SCK
INT
RX0BF
RX1BF
V
DD
RESET
CS
SO
SI
NC
SCK
INT
RX0BF
RX1BF
MCP2515
RESET
RX1BF
V
DD
15
14
13
12
11
10
20
19
18
17
16
15
14
13
12
11
20-LEAD TSSOP
TXCAN
RXCAN
CLKOUT/SOF
TX0RTS
TX1RTS
NC
TX2RTS
OSC2
OSC1
V
SS
20 19 18 17 16
CLKOUT 1
TX0RTS 2
TX1RTS 3
NC 4
TX2RTS 5
6
OSC2
* Includes Exposed Thermal
Pad (EP); see
Table 1-1.
7
OSC1
8
GND
9 10
RX0BF
15 SO
EP
21
14 SI
13 NC
12 SCK
11 INT
2003-2012 Microchip Technology Inc.
DS21801G-page 1
CS
MCP2515
20-Lead 4x4 QFN*
RXCAN
MCP2515
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