Article ID: 000079184 Content Type: Troubleshooting Last Reviewed: 01/01/2015

What power supplies are related to REFCLK buffers associated with high speed transceiver blocks in Stratix IV GX/GT devices?

Environment

  • Stratix® IV GX FPGA
  • Quartus® II Subscription Edition
  • BUILT IN - ARTICLE INTRO SECOND COMPONENT
    Description

    The Stratix® IV GX/GT REFCLK buffer for the transceiver blocks are powered by VCCA (Analog Power) and VCCR (Receiver power).  In addition, the VCCT (Transmitter power) provides the power to Inter Transceiver Block (ITB) clock lines used for REFCLK sharing.  All power pins must be powered up as stated in the device Pin Connection Guidelines (PDF).

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