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GDDR2 Controller IP

Description and Features

GDDR2 interface provides full support for the GDDR2 interface, compatible with GDDR2 specification and DFI-version 4.0 or 5.0 Specification Compliant. Through its GDDR2 compatibility, it provides a simple interface to a wide range of low-cost devices. GDDR2 IP is proven in FPGA environment. The host interface of the GDDR2 can be simple interface or can be AMBA AHB, AMBA AHB-Lite, AMBA APB, AMBA AXI, AMBA AXI-Lite, Tilelink, OCP, VCI, Avalon, PLB, Wishbone or Custom protocol.

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Features
  • Supports GDDR2 protocol standard GDDR2 Specification.
  • Compliant with DFI-version 4.0 or 5.0 Specification.
  • Supports all the GDDR2 commands as per the specs.
  • Supports up to 16 AXI ports with data width upto 512 bits.
  • Supports controllable outstanding transactions for AXI write and read channels
  • Supports in port arbitration and multi-port arbitration.
  • Supports user programmable page policy. • Closed page policy • Open page policy
  • Supports Error Checking and correction (ECC).
  • Supports retry on ECC error, with retry limit user controllable.
  • Supports high clock speeds in ASIC and FPGA.
  • Supports low latency for write and read path.
  • Supports reordering of transactions for higher performance.
  • Supports for programmable clock frequency of operation.
  • Supports for all types of timing and protocol violation detection.
  • Supports for All Mode registers programming.
  • Supports for 8 bank operations.
  • Supports for Programmable Burst length:4,8.
  • Supports for Programmable read latency and write latency.
  • Supports for Programmable sequential/interleave burst mode.
  • Supports for Bidirectional differential data strobe.
  • Supports for Write data mask function.
  • Supports for On-die termination (ODT).
  • Supports for input clock and frequency change.
  • Fully synthesizable
  • Static synchronous design.
  • Positive edge clocking and no internal tri-states.
  • Scan test ready
  • Simple interface allows easy connection to microprocessor/microcontroller devices

Deliverables

  • The GDDR2 interface is available in Source and netlist products.
  • The Source product is delivered in plain text Verilog. If needed VHDL, SystemC code can also be provided.
  • Easy to use Verilog Test Environment with Verilog Testcases
  • Lint, CDC, Synthesis, Simulation Scripts with waiver files
  • IP-XACT RDL generated address map
  • Firmware code and Linux driver package
  • Documentation contains User's Guide and Release notes.
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