DDR5 Serial Presence Detect (SPD) Hub Interface

Description

The SPD5 Hub Function IP has been developed to interface I3C/I2C Host Bus and it allows an isolation of local devices like Temperature Sensor(TS), from master host bus. This SPD5 has Two wire serial interface like SCL, SDA.

Features

  • Compliance as per JEDEC’s JESD300-5
  • Upto 12.5MHz speed supported
  • Bus Reset
  • SDA arbitration
  • Parity Check is enabled
  • Packet Error Check is supported (PEC)
  • Supported Switch from I2C to I3C Basic Mode and vice versa
  • Default Read address pointer Mode supported
  • Support SPD5 Hub write and read operations with or without PEC enabled
  • In-band Interrupt (IBI)
  • Support Write Protection for each block of NVM memory
  • Interrupt Arbitration
    • Among SPD5 Hub Devices
    • Local Target Devices behind one SPD5 Hub Devices
    • Between SPD5 Hub Device and Local Target Devices Behind the Hub
    • Among Local Target Devices behind Different SPD5 Hub Devices
    • Between Host and Any SPD5 Hub or Any Local Target Devices Behind Hub
  • Clearing Device Status and IBI Status Registers
  • Packet Error Check & Parity Error Handling
  • CCC Packet Error Handling
  • I3C Basic Common Command Codes (CCC)
    • ENEC
    • DISEC
    • RSTDAA
    • SETAASA
    • GETSTATUS
    • DEVCAP
    • SETHID
    • DEVCTRL
  • Dynamic IO Operation Mode Switching
  • Bus Clear and Bus Reset
  • SPD5 Command
    • NVM memory
      • W1M, R1M
      • W2M, R2M
      • W4M, R4M
      • W16M, R16M
    • Register Space
      • W1R, R1R
      • W2R, R2R
      • W16R, R16R
    • NVM memory Write and Read access
    • Offline Tester operation is supported

Block Diagram

SPD5 Block Diagram

Application

  • DDR5 DIMM Application Environment
  • DDR5 NVDIMM Application Environment
  • Automotive Devices
  • Memory Devices
  • Power Management Devices
  • Defense / Aerospace / Customer Electronics

Deliverables

  • Verilog Source code
  • User Guide
  • IP Integration Guide
  • Simulation Script
  • Synthesis Script
  • Encrypted UVM Verification Environment
  • cocotb Verification Environment
  • Basic Testsuite
  • Firmware code
Testimonial