SDI II Intel® FPGA IP User Guide

ID 683133
Date 10/05/2023
Public

A newer version of this document is available. Customers should click here to go to the newest version.

Document Table of Contents

5.3.11. Transceiver Controller

The transceiver controller controls the transceiver and performs dynamic reconfiguration (if necessary) to achieve the desired receiver functionality for the SDI.

When the interface receives SD-SDI, the receiver transceiver sets to lock-to-refclk (LTR) mode and when the interface receives HD-SDI or higher SDI data rate, the receiver transceiver sets to lock-to-data (LTD) mode.

In dual-rate, triple-rate, or multi-rate mode, the IP core first sets to the highest data-rate mode (transceiver running at 2.97 Gbps for dual/triple rate and 11.88 Gbps for multi rate) in LTR mode.

The detect video standard submodule starts running for a period of time. The output of this submodule determines if the transceiver requires dynamic reconfiguration to a new mode. The dual-rate and triple-rate modes use 11× oversampling to receive SD-SDI. This means that you require only two transceiver setups because the rates for 3G-SDI and 11× SD-SDI are the same. For multi-rate (up to 12G) modes, you require two more setups to accommodate 6G-SDI and 12G-SDI.