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ALTDQ_DQS2 Features
ALTDQ_DQS2 Device Support
Resource Utilization and Performance
ALTDQ_DQS2 Parameter Settings
ALTDQ_DQS2 Data Paths
ALTDQ_DQS2 Ports
Dynamic Reconfiguration for ALTDQ_DQS2
Stratix V Design Example
Arria V Design Example
IP-Generate Command
ALTDQ_DQS2 IP Core User Guide Archives
Document Revision History
I/O Configuration Block Bit Sequence for Arria V GZ and Stratix V Devices
DQS Configuration Block Bit Sequence for Arria V GZ and Stratix V Devices
I/O Configuration Block Bit Sequence for Arria V and Cyclone V Devices
DQS Configuration Block Bit Sequence for Arria V and Cyclone V Devices
Example Usage of Dynamic Reconfiguration for ALTDQ_DQS2
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Blocks in DQ and DQS Output Path
The following table lists the blocks in the DQ and DQS output path.
Block Name | Description |
---|---|
Half-rate to single-rate output enable registers |
Represents a group of registers that convert half-rate data to single-rate data. |
Output phase alignment registers |
Represents the circuitry required to phase shift the DQ-output signals. Use this block for write‑leveling purposes in DDR3 SDRAM interfaces. |
DDR output registers |
Represents the DDIO registers that transfer DDR signals from the core to the DQ/DQS pins. |