I3C Controller

I3C Controller

DTI I3C Controller provides the logic consistent with NXP I3C specification to support the communication of low-speed integrated circuits through I3C bus.
The IP facilitates software controllable by application processor through industry-standard AMBA interface. The bus interface is flexible and easily integrated into APB, AHB or AXI system bus.

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Features Design Status
Compliant with the following specifications:

  • MIPI I3C specification v1.1
  • 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 I3C Controller supports:

  • Two wire serial interface up to 12.5 MHz using Push-Pull
  • Legacy I2C Device co-existence on the same Bus (with some limitations)
  • Dynamic Addressing while supporting Static Addressing for Legacy I2C Devices
  • Legacy I2C messaging
  • I2C-like Single Data Rate Messaging (SDR)
  • Optional High Data Rate Messaging Modes (HDR-DDR, HDR-TSL, HDR-TSP)
  • Support for Multi-master (transferring the ownership of the bus to a Secondary Master if Present)
  • Reception of In-band Interrupt Support from the I3C Slave devices
  • Reception of Hot-Join from newly added I3C Slave devices
  • Synchronous Timing Support and Asynchronous Time Stamping
  • Master only operation
  • Slave only operation
  • Master and slave operation

DTI I3C Master supports:

  • Transmission modes: Single Data Rate (SDR) Mode
  • Dynamic Address Assignment
  • Host-join request
  • Secondary master request to be current master
  • Slave interrupt request
  • Support for I3C common command codes
  • Error Detection and Recovery Methods for SDR

DTI I3C Slave supports:

  • Transmission modes: Single Data Rate (SDR) Mode
  • Dynamic Address Assignment
  • Host-join
  • In-Band Interrupt
  • Error Detection and Recovery Methods for SDR
  • Detect HDR Exit Pattern
  • Support for I3C common command codes:
    • Broadcast CCCs
      • RSTDAA
      • ENTDAA
      • ENEC, DISEC
      • ENTAS0, ENTAS1, ENTAS2, ENTAS3
      • SETMWL, SETMRL
    • Direct CCCs
      • SETDASA
      • SETNEWDA
      • GETSTATUS
      • ENEC, DISEC
      • ENTAS0, ENTAS1, ENTAS2, ENTAS3
      • SETMWL, SETMRL
      • GETMWL, GETMRL
      • GETMXDS
      • GETPID, GETBCR, GETDCR
      • GETXTIME

Data Sheets are available under NDA

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FPGA Demo


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