Memory details, Ddr400 and ddr2 component memories – Xilinx Virtex-5 FPGA ML561 User Manual

Page 21

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Virtex-5 FPGA ML561 User Guide

www.xilinx.com

21

UG199 (v1.2.1) June 15, 2009

Memory Details

R

Memory Details

DDR400 and DDR2 Component Memories

The FPGA #1 device on the Virtex-5 FPGA ML561 Development Board is connected to
DDR and DDR2 component memories, as shown in

Figure 3-3

.

Figure 3-3

summarizes the distribution of DDR and DDR2 discrete component interface

signals among the different banks of the FPGA #1 device.

Figure 3-3:

FPGA #1 Banks for DDR400 and DDR2 Component (Top View)

BANK 21 (40)

BANK 13 (40)

DDR Components

DQ 0, 1, 2

BANK 114

BANK 112

BANK 11 (40)

DDR Components

DQ 3 & Controls

BANK 12 (40)

USB Controls

BANK 17 (40)

BANK 18 (40)

BANK 118

BANK 22 (40)

BANK 122

BANK 126

(Configuration)

BANK 0

BANK 4 (20)

Global Clock Inputs

BANK 25 (40)

BANK 6 (20)

GTP I/O

BANK 2 (20)

Voltage Control

BANK 15 (40)

DDR2 Component

DQ 0, 1

BANK 116

BANK 19 (40)

DDR2 Component

DQ 2, 3

BANK 120

BANK 20 (40)

RS232

Inter-FPGA MII Links

BANK 1 (20)

DDR2 Component

Address

BANK 23 (40)

BANK 124

BANK 5 (20)

BANK 3 (20)

DDR2 Component

Controls

UG199_c3_03_050106

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