Altera Serial Digital Interface (SDI) MegaCore Function - Manual (Page 36)

3–6 Chapter 3: Functional Description
Block Description
Serial Digital Interface (SDI) MegaCore Function February 2013 Altera Corporation
User Guide
Receiver
The receiver contains the following elements:
■ Transceiver, plus control, and interface logic with multirate (dual or triple
standard) SD/HD-SDI receiver operation
■ SD/HD-SDI receiver descrambler and word aligner
■ HD-SDI receiver CRC and LN extractor
■ Receiver framing, with extraction of video timing signals
■ Identification and tracking of ancillary data
The SDI receiver consists of the following functions:
■ NRZI decoding and descrambling
■ Word alignment
■ Video timing flags extraction
■ RP168 switching compliance
■ HD-SDI LN extraction
■ HD-SDI CRC
■ Accessing transceiver