關鍵詞： Lattice , LVDS視頻接口

Lattice公司的LatticeECP2 7:1 LVDS視頻評估套件采用LatticeECP2 或LatticeXP2 FPGA,和LatticeECP2高級評估板或LatticeXP2高級評估板以及各種視頻I/O源配合使用.本文介紹了LatticeECP2 7:1 接收和發(fā)送功能框圖, 7:1接收側和發(fā)送側方框圖, LatticeECP2和LatticeXP2 高級評估板的7:1接口測試系統(tǒng), 視頻處理設計案例以及LatticeECP2™高級評估板主要特性,方框圖和電路圖.

The Lattice 7:1 LVDS Video Demo Kit is a set of boards and cables that demonstrate the implementation of a 7:1 LVDS solution using the LatticeECP2 or LatticeXP2 FPGA. The kit works with the LatticeECP2-Advanced Evaluation Board or LatticeXP2 Advanced Evaluation Board, as well as various user video I/O resources.

The default design for use with this kit is based on the 7:1 LVDS Video Interface reference design, targeted for the LatticeECP2 or LatticeXP2 FPGA, and specifically tailored for use with this kit. This, and other resources related to this kit can be downloaded from the links at the left of this page.

7:1 LVDS視頻接口包括:

The Lattice 7:1 LVDS Video Demo Kit includes the following:

4 Video Demo Boards (See User Manual for full description - link at left of this page)

LatticeECP2 Advanced Evaluation Board (Optional - see below)

Includes Wall Adapter Power Supply (Universal voltage input, US plugs)

Includes ispDOWNLOAD cable

Banana Jack Cables (For supplying Power to Video Demo Boards from LatticeECP2 Advanced Evaluation Board or other source)

2 Channel-Link MDR Cables

DVI Cable

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圖1. LatticeECP2 7:1 LVDS視頻接口評估板外形圖

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圖2. LatticeECP2 7:1 接收和發(fā)送功能圖

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圖3.7:1接收側方框圖

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圖4.7:1發(fā)送側方框圖

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圖5. LatticeECP2 高級評估板的7:1接口測試系統(tǒng)

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圖6. LatticeXP2 高級評估板的7:1接口測試系統(tǒng)

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圖7.視頻處理設計案例

LatticeECP2™高級評估板

The LatticeECP2 Advanced Evaluation Board provides a convenient platform to evaluate, test and debug user designs and IP cores targeted to the LatticeECP2-50 device.

LatticeECP2™高級評估板主要特性:

The main features of this board are listed below:

• LatticeECP2 FPGA with a 1.2V DC core in a 672-ball fpBGA package (default LatticeECP2-50 FPGA)

• SPI Serial Flash device included for low-cost, non-volatile configuration storage

• Two 64-bit DDR2 SO-DIMM module connectors (DDR2 DIMMs are not included)

• VHDM connectors for SPI4.2 transmit and receive interfaces

• Tri-speed (10/100/1000 Mbit) Ethernet PHY that includes RJ-45, magnetics and spark gap

• Directly wired RJ-45 connector

• Samtec TFM-140-31-S-D-LC connector for interfacing with TI DSP motherboards through the peripheral interface

• RS-232 interface chip and 9-pin D-sub connector

• USB 1.1 transceiver and USB type-A and type-B connectors

• Two 8-bit DIP switches

• Discrete LEDs and 7-segment LED

• Compact Flash connector for type I and type II Compact Flash cards (Compact Flash cards not included)

• LCD module connector (LCD module not included)

• Prototyping areas with access to 103 I/O pins

• Selectable I/O bank voltages

• Four pairs of SMA connectors for high speed differential signals

• Oscillator socket for both half-size and full-size oscillators

• 3.3V, 2.5V, 1.8V, 1.2V and ADJ (adjustable voltage) powers generated from a single 5V to 28V power source

• Power Manager ispPAC-POWR1220AT8 chip for monitoring 3.3V, 2.5V, 1.8V, 1.2V, ADJ voltages and DDR VREF,VTTvoltages

• Interface for ispVM System programming support

Also Included:

• 5V/3A AC adapter with international wall plugs

• ispDOWNLOAD Cable (HW-DL-3C or equivalent)

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