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AR# 19150

Virtex-II Pro RocketIO - What is the termination set to before power is applied, after power is applied (before configuration), and after configuration?

Description

What is the RocketIO transceiver termination set to before power is applied, after power is applied (before configuration), and after configuration?

Solution

Unpowered: set to 75 ohms

Powered, not configured, or during configuration: set to 50 ohms

During configuration: TXP/TXN does not drive; the outputs remain at VTTX (through 50 ohm termination)

AR# 19150
Date Created 09/03/2007
Last Updated 12/15/2012
Status Active
Type General Article