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DPRIO and multiple instances SDI application

Posted: 19 Mar 2010 ?? ?Print Version ?Bookmark and Share

Keywords:controller? SDI application? serial digital interface?

This application note discusses how the dynamic reconfiguration controller is used to control multiple instances of the Altera Serial Digital Interface MegaCore function. Reconfiguration of SDI instances is simple if your design requires only basic standard. However, complex designs may require multiple dynamic configuration controllers to reconfigure multiple SDI instances across a number of transceiver blocks.

The SDI MegaCore function supports transmitting and receiving uncompressed videos such as SDI standard definition (SD), SDI high definition (HD), and SDI 3Gbit/s (3G). The multi-rate SDI MegaCore function detects incoming video data rate change, while the dynamic partial reconfigurable I/O (DPRIO) feature of the ALT2GXB_RECONFIG megafunction automatically reconfigures the transceiver and locks to the new video data rate.

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