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Altera_Forum
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12 years ago

Need help to make Triple Speed Mac's avalon-MM interface work.

In my now doing project, a altera Tse mac without sopc/os is used, I wanna to use only the Tse with udp/ip stack in a very fast image grab application. Basic hardware is Cyclone III + 88E1111(GMII...
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Altera_Forum
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12 years ago

This behaviour is allowed in the avalon specification (http://www.altera.com/literature/manual/mnl_avalon_spec_1_3.pdf): (page 3-3)

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An Avalon-MM slave may assert waitrequest during idle cycles. An Avalon-MM master may initiate a transaction when waitrequest is asserted. The design of Avalon-MM slaves must take these possibilities into account.

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I don't remember how it is written in the TSE's manual, but usually the Avalon specification is a bit better.