CAN vhdl code document

hi, i have downloaded the CAN VHDL from opencores but am unable to understand the code. can anyone please tell me where i can get the document for that code.

thanks ramesh.

Reply to
barukula.ramesh
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There isn't much (any?) documentation. But you only need to understand the operation of the core, and its interfaces, not how it works internally. The core basically replicates a Philips SJA1000 CAN controller - all the registers are the same. So just look at

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and get the datasheet.

There are 2 interfaces (at least in the Verilog version) - Wishbone and 8051. The Wishbone interface is specified by Opencores - get the spec from

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You can get the (Intel) 8051 spec from the datasheets and app notes from any of the vendors making 8051 clone chips - start here
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Best wishes

Reply to
Tom

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