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GDDR3L Controller IP

Description and Features

GDDR3L interface provides full support for the GDDR3L interface, compatible with GDDR3L specification and DFI-version 4.0 or 5.0 Specification Compliant. Through its GDDR3L compatibility, it provides a simple interface to a wide range of lowcost devices. GDDR3L IP is proven in FPGA environment. The host interface of the GDDR3L can be simple interface or can be AMBA AHB, AMBA AHBLite, AMBA APB, AMBA AXI, AMBA AXI-Lite, Tilelink, OCP, VCI, Avalon, PLB, Wishbone or Custom protocol.

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Features
  • Supports GDDR3L protocol standard GDDR3L Specification.
  • Compliant with DFI-version 4.0 or 5.0 Specification.
  • Supports all the GDDR3L 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 Nominal and dynamic on-die termination (ODT) for data, strobe and mask signals.
  • Supports for Bidirectional differential data strobe.
  • Supports for Programmable Burst length:4,8.
  • Supports for Programmable sequential/interleave burst mode.
  • Supports for Programmable CAS Read latency.
  • Supports for Programmable CAS Write latency.
  • Supports for Selectable BC4 or BL8 on-the-fly (OTF).
  • Supports for Self-refresh mode.
  • Supports for Automatic self-refresh (ASR).
  • Supports for Write leveling.
  • Supports for Multipurpose register.
  • Supports for Write data mask function.
  • Supports for Output driver calibration.
  • Supports for On-die termination (ODT).
  • Supports for input clock stop and frequency change.
  • Fully synthesizable
  • Static synchronous design.
  • Positive edge clocking and no internal tri-states.
  • Scan test ready

Deliverables

  • The GDDR3L 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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