RLDRAM II Controller

The RLDRAM II Controller MegaCore® function handles the complex aspects of using RLDRAM II?initializing the memory devices and translating read and write requests from the local interface into all the necessary RLDRAM II command signals.

The RLDRAM II controller is optimized for Altera® Stratix® IV, Stratix III, Stratix II, Stratix GX, and HardCopy® II devices. The advanced features available in these devices allow you to interface directly to RLDRAM II devices.

IP Toolbench generates the following items:

* A testbench, which instantiates the example design
* A synthesizable example design that instantiates the following modules: * RLDRAM II controller: * Encrypted control logic, which takes transaction requests from the local interface and issues writes, reads, and refreshes to the memory interface
* A clear-text datapath



* Example driver?generates write, read, and refresh requests and outputs a pass/fail signal to indicate that the tests are passing or failing
* System phase-locked loop (PLL)?generates the RLDRAM II controller clocks
* Delay-locked loop (DLL)?instantiated in DQS mode and generates the DQS delay control signal for the dedicated DQS delay circuitry
* Optional feedback clock PLL?instantiated in non-DQS mode and generates a capture clock for the datapath read capture and logic path

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