Altera Arria GX Development Board User Manual

Page 32

Advertising
background image

2–22

Reference Manual

Altera Corporation

Arria GX Development Board

October 2007

Off-Chip Memory

Table 2–21

lists the DDR2 component reference and manufacturing

information.

Resynchronization timing
feedback clock

SSTL_18 out
SSTL_18 in

DDR2_SYNC_CLKOUT

DDR2_SYNC_CLKIN

AG14
AH17

Clock enable

SSTL_18 out

DDR2_CKE

AE14

Chip select (enables
command decoder)

SSTL_18 out

DDR2_CSn

AG13

On-die termination control
pin

SSTL_18 out

DDR2_ODT

AE11

SSTL reference voltage

N/A

Vref

AB14, AC10, AD17,
AD19, AD22, AD8

Core supply

1.8 V

VDD

N/A

(1)

I/O supply

1.8 V

VDDQ

N/A

(1)

DLL supply

1.8 V

VDDL

N/A

(1)

Core GND

Ground

VSS

N/A

(1)

I/O GND

Ground

VSSQ

N/A

(1)

DLL GND

Ground

VSSL

N/A

(1)

Notes to

Table 2–20

:

(1)

This is a power pin that is not connected to the Arria GX device. For power connection information, refer to the
Micron MTA47H32M16 8 Meg X 16 x 4 DDR2 data sheet.

Table 2–20. DDR2 Description, Signal Type, Schematic Signal Name & Arria GX Pin Number (Part 2 of 2)

Description

Signal Type

Schematic Signal Name

Arria GX

Pin Number

Table 2–21. DDR2 Component Reference and Manufacturing Information

Board

Reference

Description

Manufacturer

Manufacturer Part

Number

Manufacturer

Website

U8

DDR2 SDRAM

Micron
Technology, Inc.

MT47H32M16

www.micron.com

Advertising