Altera SDI II MegaCore Instrukcja Użytkownika Strona 48

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Figure 4-8: Multi Rate (up to 12G-SDI) Transmitter Data Path Block Diagram
Note: The transmit block shown in the diagram is the simplified version of the transmit block in the
Triple Rate SDI Transmitter Data Path Block Diagram.
Scrambler
20
20
80
TX
Oversample
Generate
Clock Enable
TX PHY Management
& PHY Adapter
TX Protocol
80 80
Transceiver
Parallel
Video In
SDI
Out
Convert
SD Bits
Match
TRS
Insert
Line
Multiplexer
Insert
Sync Bits
Transmit
20/40
3 GB
20/40
3 GB
Insert
CRC
20/40
3 GB
Insert
Payload ID
20/40
3 GB
Demultiplexer
20
Match
TRS
Insert
Line
Multiplexer
Transmit
20/40
3 GB
20/40
3 GB
Insert
CRC
20/40
3 GB
Insert
Payload ID
20/40
3 GB
Demultiplexer
20
Match
TRS
Insert
Line
Multiplexer
Transmit
20/40
3 GB
20/40
3 GB
Insert
CRC
20/40
3 GB
Insert
Payload ID
20/40
3 GB
Demultiplexer
20
Match
TRS
Insert
Line
Multiplexer
Transmit
20/40
3 GB
20/40
3 GB
Insert
CRC
20/40
3 GB
Insert
Payload ID
20/40
3 GB
Demultiplexer
20
20
20
20
For Optional SD 20 bits Only (Not Available for Multi-Rate Mode (up to 12 G) )
Related Information
Submodules on page 4-14
Receiver
The receiver performs the following functions:
Video standard detection
Video rate detection
NRZI decoding and descrambling
Word alignment
Demultiplex data links
Video timing flags extraction
4-6
Receiver
UG-01125
2015.05.04
Altera Corporation
SDI II IP Core Functional Description
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