TMS320F2811 datasheet(70/173 Pages) TI

70 / 173 page

Peripherals

April 2001 − Revised July 2007

SPRS174O

4.4

Enhanced Controller Area Network (eCAN) Module

The CAN module has the following features:

•

Fully compliant with CAN protocol, version 2.0B

•

Supports data rates up to 1 Mbps

•

Thirty-two mailboxes, each with the following properties:

−

Configurable as receive or transmit

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Configurable with standard or extended identifier

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Has a programmable receive mask

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Supports data and remote frame

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Composed of 0 to 8 bytes of data

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Uses a 32-bit time stamp on receive and transmit message

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Protects against reception of new message

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Holds the dynamically programmable priority of transmit message

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Employs a programmable interrupt scheme with two interrupt levels

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Employs a programmable alarm on transmission or reception time-out

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Low-power mode

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Programmable wake-up on bus activity

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Automatic reply to a remote request message

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Automatic retransmission of a frame in case of loss of arbitration or error

•

32-bit local network time counter synchronized by a specific message (communication in conjunction with

mailbox 16)

•

Self-test mode

−

Operates in a loopback mode receiving its own message. A “dummy” acknowledge is provided,

thereby eliminating the need for another node to provide the acknowledge bit.

NOTE: For a SYSCLKOUT of 150 MHz, the smallest bit rate possible is 23.4 kbps.

The 28x CAN has passed the conformance test per ISO/DIS 16845. Contact TI for details.

TMS320F2811 数据表(PDF) 70 Page - Texas Instruments

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