
• HD-SDI LN extraction
• HD-SDI CRC
• Payload ID extraction
• Synchronizing data streams
• Accessing transceiver
• Identifying and tracking of ancillary data
• Sync bit removal
The block diagrams below illustrate the SDI II IP core receiver (simplex) data path for each supported
video standard.
Figure 4-9: SD-SDI Receiver Data Path Block Diagram
Detect
Format
TRS
Aligner
Descrambler
RX
Oversample
Transceiver
Control
State Machine
Receive Prealign
RX Protocol
RX PHY Management
& PHY Adapter
Transceiver
Parallel
Video Out
10 10
Match
TRS
10
Extract
Payload ID
10 20
SDI In
Figure 4-10: HD-SDI Receiver Data Path Block Diagram
Detect
1 & 1/1,001
Rate
Transceiver
Control
State
Machine
RX PHY
Management
& PHY Adapter Transceiver
Parallel
Video Out
20
TRS
Aligner
Descrambler
2020
Detect
Format
Receive
RX Protocol
Match
TRS
10
Extract
Line
Check
CRC
Extract
Payload ID
Check
CRC
DemultiplexerMultiplexer
Y
C
10
20
SDI In
Prealign
UG-01125
2015.05.04
Receiver
4-7
SDI II IP Core Functional Description
Altera Corporation
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