Altera Arria GX Development Board Manual de usuario descargar pdf (Pagina 32)

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

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

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 41 42

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