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  Microchip Technology Semiconductor Electronic Components Datasheet  


MCP2515

Stand-Alone CAN Controller



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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 prioritizaton 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
degredation
• 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 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 MCUs 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
18 VDD
17 RESET
16 CS
15 SO
14 SI
13 SCK
12 INT
11 RX0BF
10 RX1BF
20-LEAD TSSOP
TXCAN
RXCAN
CLKOUT/SOF
TX0RTS
TX1RTS
NC
TX2RTS
OSC2
OSC1
VSS
1
2
3
4
5
6
7
8
9
10
20 VDD
19 RESET
18 CS
17 SO
16 SI
15 NC
14 SCK
13 INT
12 RX0BF
11 RX1BF
© 2005 Microchip Technology Inc.
Preliminary
DS21801D-page 1



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MCP2515 pdf
MCP2515
NOTES:
DS21801D-page 2
Preliminary
© 2005 Microchip Technology Inc.



Part Number MCP2515
Description Stand-Alone CAN Controller
Maker Microchip Technology - Microchip Technology
Total Page 70 Pages
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