AR #15322 - Virtex-II Pro, RocketIO - Can the MGT transmit if data on the Rx inputs is not toggling?

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Virtex-II Pro, RocketIO - Can the MGT transmit if data on the Rx inputs is not toggling?

AR#	15322
Part	Part Not Listed
Last Modified	2008-05-15 00:00:00.0
Status	Active
Keywords	Virtex-II, Pro, Rocket, I/O, IO, input, output, serial, SERDES, CDR, MGT, multi, gigabit, gigahertz, transmit, receive, transceiver, 3.125, Gbps, data, toggle, transition, Rx, Rxp, Rxn

Description

Keywords: Virtex-II, Pro, Rocket, I/O, IO, input, output, serial, SERDES, CDR, MGT, multi, gigabit, gigahertz, transmit, receive, transceiver, 3.125, Gbps, data, toggle, transition, Rx, Rxp, Rxn

If my Rxp/Rxn inputs are not toggling (or are floating), can my transceiver continue to transmit?

Solution

Yes, the transceiver can continue. All that is required to transmit is the reference clock (REFCLK).

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