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
VIDEO