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Altera_Forum's avatar
Altera_Forum
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14 years ago

multiplexing input sources for TSE MAC transmit interface

Hi I have two transmitting modules while only one TSE MAC port. My intention is to multiplex the input to the MAC TX depending on some signal. Seems pretty straight forward but I am having issu...
Altera_Forum's avatar
Altera_Forum
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14 years ago

Oh yes I missed that... you still need to allow the tx_ready signal to only go to the selected source or you'll have problem if they both have a packet to send at the same time. The same thing goes for the valid signal on the RX side.

Does the synthesis stop after the error? If not you could have a look at the RTL viewer to see what Quartus is trying to implement.