Altera ALTDLL User Manual
Page 83

4–47
Chapter 4: Functional Description
Correct Settings for External Memory Interfaces
ALTDLL and ALTDQ_DQS Megafunctions User Guide
© February 2012
Altera Corporation
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