How do I implement the half-rate bridge option for connection to a full-rate memory controller?

Description

While using the Quartus® II software versions before 11.0, the half-rate bridge option was a selectable parameter in the memory controller IP megawizard.

While using the Quartus® II software versions 11.0 and later, the only Altera IP-supported option for the half-rate bridge is to use the SOPC Builder Avalon-MM DDR Memory Half-Rate Bridge component. This can be used in a QSYS project in the latest release of the Quartus® II software.

For documentation on a half-rate bridge, see the Avalon Memory Mapped Bridges chapter of the SOPC Builder User Guide.

Resolution

While using the Quartus® II software versions 11.0 and later, the only Altera IP-supported option for the half-rate bridge is to use the SOPC Builder Avalon-MM DDR Memory Half-Rate Bridge component. This can be used in a QSYS project in the latest release of the Quartus® II software.