Can Summary - Texas Instruments TMS320F2837 D Series Workshop Manual And Lab Manual

Controller Area Network (CAN)
The CAN controller module contains 32 mailboxes for objects of 0 to 8-byte data lengths:
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configurable transmit/receive mailboxes
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configurable with standard or extended indentifier
The CAN module mailboxes are divided into several parts:
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MID – contains the identifier of the mailbox
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MCF (Message Control Field) – contains the length of the message (to transmit or
receive) and the RTR bit (Remote Transmission Request – used to send remote
frames)
•
MDL and MDH – contains the data
The CAN module contains registers which are divided into five groups:
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Control & Status Registers
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Local Acceptance Masks
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Message Object Time Stamps
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Message Object Timeout
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Mailboxes

CAN Summary

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CAN Summary
Fully compliant with CAN standard v2.0B
Supports data rates up to 1 Mbps
Thirty-two message objects
 Configurable as receive or transmit
Configurable with standard or extended identifier
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Programmable receive mask
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Uses 32-bit time stamp on messages
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Programmable interrupt scheme (two levels)
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 Programmable alarm time-out
Programmable wake-up on bus activity
Two interrupt lines
Self-test mode
TMS320F2837xD Microcontroller Workshop - Communications