Qdr ii interface, Qdr ii interface –56 – Altera 100G Development Kit, Stratix IV GT Edition User Manual

Page 64

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2–56

Chapter 2: Board Components

Components and Interfaces

100G Development Kit, Stratix IV GT Edition Reference Manual

September 2010

Altera Corporation

Table 2–38

lists the DDR3 interfaces component reference and manufacturing

information.

QDR II Interface

The QDR II interface consists of a 72-Mbit QDR II burst-of-2 SRAM which has a 18-bit
read data bus and a 18-bit write data bus.

Table 2–39

lists the pin assignments for the QDR II interface and their corresponding

schematic signal names and Stratix IV GT pin numbers.

U30.B7

Data strobe N byte lane 3

DDR3D_DQS_N3

U44.A32

U30.C7

Data strobe P byte lane 3

DDR3D_DQS_P3

U44.B32

U30.K1, U31.K1

On-die termination

DDR3D_ODT

U44.K25

U30.J3, U31.J3

Row address select

DDR3D_RASN

U44.E25

U30.T2, U31.T2

Reset

DDR3D_RSTN

U44.W31

U30.L3, U31.L3

Write enable

DDR3D_WEN

U44.G24

Table 2–37. DDR3 Interface Pin Assignments, Schematic Signal Names, and Functions (Part 8 of 8)

Board Reference

Description

Schematic

Signal Name

Stratix IV GT

Device

Pin Name

Other

Connections

Table 2–38. DDR3 interfaces Component Reference And Manufacturing Information

Board

Reference

Description

Manufacturer

Manufacturing

Part Number

Manufacturer

Website

U28-U31,
U36-U39

8 M × 16-bit × 8 banks, 667M, CL9
DDR3 device

Micron

MT41J64M16LA-15E

www.micron.com

Table 2–39. QDR II Interface Pin Assignments, Schematic Signal Names, and Functions (Part 1 of 8)

Board

Reference

Description

Schematic

Signal Name

Stratix IV GT

Device

Pin Name

Other

Connections

QDR II A Interface

U47.R9

Address bus

QDR2A_A0

U44.AW22

U47.R8

Address bus

QDR2A_A1

U44.AY20

U47.B4

Address bus

QDR2A_A2

U44.AG13

U47.B8

Address bus

QDR2A_A3

U44.AL20

U47.C5

Address bus

QDR2A_A4

U44.AF15

U47.C7

Address bus

QDR2A_A5

U44.AN14

U47.N5

Address bus

QDR2A_A6

U44.AL9

U47.N6

Address bus

QDR2A_A7

U44.AJ13

U47.N7

Address bus

QDR2A_A8

U44.AU19

U47.P4

Address bus

QDR2A_A9

U44.AM6

U47.P5

Address bus

QDR2A_A10

U44.AG14

U47.P7

Address bus

QDR2A_A11

U44.AW20

U47.P8

Address bus

QDR2A_A12

U44.AW21

U47.R3

Address bus

QDR2A_A13

U44.AL6

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