Altera ALTDLL User Manual

Page 83

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4–47

Chapter 4: Functional Description

Correct Settings for External Memory Interfaces

ALTDLL and ALTDQ_DQS Megafunctions User Guide

© February 2012

Altera Corporation

Table 4–2

shows the correct port use for DDR, QDR, and RLDRAM interfaces.

Table 4–21. Correct Port Use for DDR, QDR and RLDRAM Interfaces

Port Name

Controllers

Full-Rate

Half-Rate

INPUT_DQ_INPUT_DATA_IN

Used

Used

INPUT_DQ_INPUT_DATA_OUT_HIGH

Used

Unused

INPUT_DQ_INPUT_DATA_OUT_LOW

Used

Unused

INPUT_DQ_HR_INPUT_DATA_OUT

Unused

Used

OUTPUT_DQ_OUTPUT_DATA_OUT

Used

Used

OUTPUT_DQ_OUTPUT_DATA_IN_LOW

Used

Unused

OUTPUT_DQ_OUTPUT_DATA_IN_HIGH

Used

Unused

OUTPUT_DQ_HR_OUTPUT_DATA_IN

Unused

Used

OUTPUT_DQ_HR_OE_IN

Unused

Used

OUTPUT_DQ_OE_IN

Used

Unused

OUTPUT_DQ_OE_OUT

Used

Used

BIDIR_DQ_INPUT_DATA_IN

Used

Used

BIDIR_DQ_HR_INPUT_DATA_OUT

Unused

Used

BIDIR_DQ_OUTPUT_DATA_OUT

Used

Used

BIDIR_DQ_HR_OUTPUT_DATA_IN

Unused

Used

DQS_INPUT_DATA_IN

Used

Used

DQS_HR_OUTPUT_DATA_IN

Unused

Used

DQSN_INPUT_DATA_IN

Used

Used

DQSN_HR_OUTPUT_DATA_IN

Unused

Used

DQS_BUS_OUT

Used

Used

DQS_OUTPUT_DATA_OUT

Used

Used

DQ_INPUT_REG_CLK

Used

Used

DQ_OUTPUT_REG_CLK

Used

Unused

DQ_HR_OUTPUT_REG_CLK

Unused

Used

DLL_DELAYCTRLIN

Used

Used

IO_CLOCK_DIVIDER_CLK

Used

Used

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