Altera SDI II MegaCore - Manual (Page 49)

• 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
20 20
Detect
Format
Receive
RX Protocol
Match
TRS 10
Extract
Line
Check
CRC
Extract
Payload ID
Check
CRC
Demultiplexer Multiplexer
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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