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Altera_Forum
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16 years ago

Stratix II GX Transceiver - Pattern recognition in rx-data

Hi, I have a transceiver-design with an optical loopback-wire. the datastream is a 32b binary counter with a clock of 120 MHz. My alt2gxb is configurated as followed: - basic mode, double dat...
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Altera_Forum
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16 years ago

You have to have some way to perform word alignment. This is typically done by transmitting a known word pattern that the receiver can look for. Then it can slip bits until aligned. You at least need to perform this alignment on startup. Typical applications using 8B/10B will constantly transmit the comma character K.28.5 when not transmitting valid data.

Jake