CAN Protocol Controller: Overview
Description
Controller Area Network or CAN is a control network protocol from
Bosch that has found wide use in Industrial Automation and the
Automotive Industry. Most of the patents of CAN are owned by Bosch and although there
are no restictions on developing an opensource CAN IP but for any
commercial use the protocol license from Bosch is an indispensable prerequisite. Size is approximately 12k gates (930 flip-flops).
Block Diagram

Features
- Non-Destructive bit-wise arbitration (CSMA/CA)
- Message Based Addressing/Filtering
- Broadcast Communication
- 1 Mbit/Sec Operation
- WISHBONE SoC interface
- 8051 interface
- SJA1000 (Philips) compatible interface.
Status
- Verilog version finished (tested in HW and verified with the Bosch VHDL Reference System) (October, 27, 2004)
- vhdl version finished (Remains to be Tested and Verified)
Verilog version
VHDL Version
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