IPSR-VIDEO Altera, IPSR-VIDEO Datasheet - Page 70
IPSR-VIDEO
Manufacturer Part Number
IPSR-VIDEO
Description
RENEWAL Of IPS-VIDEO
Manufacturer
Altera
Series
IP Suitesr
Datasheet
1.IPS-VIDEO.pdf
(202 pages)
Specifications of IPSR-VIDEO
Software Application
IP CORE, SUITES
Supported Families
Arria GX, Cyclone II, HardCopy II, Stratix II
Features
Common Avalon Streaming (Avalon-St) Interface And Avalon-St Video Protocol
Core Architecture
FPGA
Core Sub-architecture
Arria, Cyclone, Stratix
Rohs Compliant
NA
Lead Free Status / RoHS Status
na
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4–12
Video and Image Processing Suite User Guide
Transmission of Avalon-ST Video Over Avalon-ST Interfaces
Packet Transfer Examples
■
Avalon-ST Video is a protocol transmitted over Avalon-ST interfaces. The
Interface Specifications
Avalon-ST interface.
Table 4–6 on page 4–12
transmission of the Avalon-ST Video protocol. All parameters not explicitly listed in
the table have undefined values.
Table 4–6. Avalon-ST Interface Parameters
The
Table 4–7
unused signals.
Table 4–7. Avalon-ST Interface Signal Types
All packets are transferred using the Avalon-ST signals in the same way. Three
examples are given here, two showing video data packets, and one showing a control
data packet. Each is an example of generic packet transmission.
Example 1 (Data Transferred in Parallel)
This example shows the transfer of a video data packet in to and then out of a generic
MegaCore function that supports the Avalon-ST Video protocol.
BITS_PER_SYMBOL
SYMBOLS_PER_BEAT
READY_LATENCY
ready
valid
data
startofpacket
endofpacket
Parameter Name
When the color pattern changes from the input to the output side of a block, in a
way that changes the number of color planes sent in parallel, then the end of non-
video data packets can be padded with extra data. When defining a packet type
where the length is variable and meaningful, it is recommended to send the length
at the start of the packet.
Avalon Interface Specifications
Signal
lists the signals for transmitting Avalon-ST Video.
define parameters that you can use to specify the types of
Variable. Always equal to the Bits per Color Sample parameter value of the
stream of pixel data being transferred.
Variable. Always equal to the number of color samples being transferred in
parallel. This is equivalent to the number of rows in the color pattern
parameter value of the stream of pixel data being transferred.
1
1
1
bits_per_symbol × symbols_per_beat
1
1
lists the values of these parameters that are defined for
defines signal types of which many are optional.
Width
Value
Table 4–7
January 2011 Altera Corporation
Avalon-ST Video Protocol
Chapter 4: Interfaces
Sink to Source
Source to Sink
Source to Sink
Source to Sink
Source to Sink
does not show
Direction
Avalon
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