Xilinx Virtex-5 FPGA ML561 Uživatelský manuál stáhnout pdf (Strana 17)

Virtex-5 FPGA ML561 User Guide www.xilinx.com 17

UG199 (v1.2.1) June 15, 2009

Chapter 3

Hardware Description

This chapter describes the major hardware blocks on the Virtex-5 FPGA ML561

Development Board and provides useful design consideration. It contains the following

sections:

• “Hardware Overview”

• “Memory Details”

• “External Interfaces”

• “Power Regulation”

• “Board Design Considerations”

Hardware Overview

The ML561 Development/Evaluation system reference design is implemented with three

XC5VLX50T-FFG1136 devices from the Virtex-5 FPGA family to demonstrate high-speed

external memory application interfaces. The memory technologies supported by the

Virtex-5 FPGA ML561 Development Board are DDR2 SDRAM, DDR400 SDRAM, QDRII

SRAM, and RLDRAM II SDRAM.

Figure 3-1 provides a view of all the major components on ML561 board. It shows the

placement of the three Virtex-5 FPGAs, and the position of the associated major interfaces

for each FPGA.

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Xilinx Virtex-5 FPGA ML561 Uživatelský manuál Strana 17