PSRAM UHS Controller

Overview

DTI UHS PSRAM external memory controller is interfaced to control PSRAM devices. The controller is fully programmable and configurable, flexible to customers' needs.

DTI UHS PSRAM IP supports many type of UHS device from different vendors such as APMemory PSRAM. This IP can be used flexibly in any application and high performance.

Key Features

  • Compliant with the following specifications:
    • AMBA, Advanced Peripheral Bus (APB) Specification Version 2.0
    • AMBA, Advanced High-performance Bus (AHB) Specification Version 2.0
    • AMBA, Advanced eXtensibale Bus (AXI) Specification Version 4.0
    • AMBA, Advanced eXtensibale Lite Bus (AXI-Lite) Specification Version 4.0
  • DTI PSRAM UHS Controller supports:
    • Single Channel Configuration (1 channel for PSRAM)
    • Single APB Programming Interface (Programming Registers)
    • Single AXI4 Interfaces Configuration (1 AXI4 Interfaces)
    • Programmable Timing Registers
    • Programmable PSRAM Operation Mode (Through MRW)
    • Dynamic Address Mapping Scheme
    • Automatic Periodic Refresh
    • 1:1/1:2/1:4 Frequency Ratio System
    • Asynchronous/Synchronous AXI4/APB Interfaces
    • Page Read Access (PRA) input through DM pin
    • Wrap burst in 16/32/64/128 Bytes length
    • Data write mask for write operation through DM pin

Technical Specifications

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Semiconductor IP