参数资料
型号: IP-SDI
厂商: Altera
文件页数: 86/140页
文件大小: 0K
描述: IP VIDEO INTERFACE - SDI
标准包装: 1
系列: *
类型: MegaCore
功能: 视频系统用串行数字接口
许可证: 初始许可证
3–56
Chapter 3: Functional Description
Parameters
Parameters
The parameters can only be set in the MegaWizard Plug-In Manager (refer to
Table 3–20 lists the protocol options.
Table 3–20. Protocol Options
Parameter
Video standard
Interface settings
Value
SD-SDI, HD-SDI, 3G-SDI,
HD-SDI dual link, dual or
triple standard SDI
Bidirectional, receiver,
transmitter
Description
Selection of HD-SDI or SD-SDI.
Selecting HD-SDI switches in LN insertion and extraction and CRC
generation and extraction blocks; selecting SD-SDI switches out LN
insertion and extraction and CRC generation and extraction blocks.
Selecting SD-SDI also includes oversampling logic.
Selecting dual or triple standard SDI includes the processing blocks for
both SD-SDI and HD-SDI standards. In addition, logic for bypass paths
and logic to automatically switch between the input standards is
included.
Selects the ports to be receiver, transmitter, or bidirectional. It
switches in or out the receiver and transmitter supporting logic
appropriately.
The same setting is applied to all channels in the variation.
If you want some to be transmitter and some to be duplex, simply
create two different MegaCore variations.
Table 3–21 lists the transceiver options.
Table 3–21. Transceiver Options
Parameter
Transceiver and
protocol
Use soft logic for
transceiver
Starting channel
number
Value
Generate transceiver and
protocol blocks, generate
transceiver block only, or
generate protocol block only
On or off
0, 4, 8, ..., 156
Description
Selects transceiver or protocol blocks or both. When non-GX device is
chosen, only SD-SDI protocol block is permitted. If you want to
generate HD-SDI or 3G-SDI protocol block, you must select a GX
device.
Uses soft logic to implement the transceiver logic, rather than using
Stratix II GX, Stratix IV or Stratix GX transceivers. SD-SDI only.
For example, if you run out of hard transceivers in your device, you
can implement the function in soft logic. If you have spare transceivers
in a device, you may wish to use them.
Dual or triple standard only. Each dual or triple standard SDI must
have a unique starting channel number. This parameter is not
applicable for Stratix V, Arria V, and Cyclone V devices.
Serial Digital Interface (SDI) MegaCore Function
User Guide
February 2013 Altera Corporation
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