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Receiver, Receiver –6 – Altera Serial Digital Interface (SDI) MegaCore Function User Manual

Page 36

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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