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Altera_Forum
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15 years ago

RX'ing different data rates with ALTGX using reverse serial loopback

I am trying to instantiate 16 ALTGX transceivers in a Stratix IV GX (1517-pin) package. I want all of the channels to operate in reverse serial loopback mode - I am never transmitting data from u...
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Altera_Forum
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15 years ago

In ALTGX transceiver, a pll is used for receiver. When transceiver is set as Lock To Data mode, the pll will lock to the CDR clock. But the pll's working frequency is limited. It can't work at all frequency when transceiver is set at one speed.