This answer record contains the Release Notes and Known Issues for the AXI IIC and includes the following:
This Release Notes and Known Issues Answer Record is for the core generated in Vivado 2016.3 and older tool versions.
Please see XTP025 - IP Release Notes Guide for past known issue logs and ISE support information.
AXI IIC IP Page:
Supported Devices can be found in the following three locations:
For a list of new features and added device support for all versions, see the Change Log file available with the core in Vivado.
For example, C:\Xilinx\Vivado\2016.3\data\ip\xilinx\axi_iic_v2_0\doc\axi_iic_v2_0_changelog.txt
This table correlates the core version to the first Vivado design tools release version in which it was included.
|Core Version||Tools Version|
|2.0||Up to 2016.3|
The table below provides answer records for general guidance when using the LogiCORE AXI IIC
|(Xilinx Answer 55248)||Vivado Timing and IP Constraints|
|(Xilinx Answer 61970)||AXI IIC example configured for SCL of 100 KHz derives a lesser frequency|
|(Xilinx Answer 46726)||How to determine the frequency of SCL?|
|(Xilinx Answer 67400)||AXI IIC Software Driver v3.2 - AXI IIC Software Driver v3.2 Patch Download|
Known and Resolved Issues
The following table provides known issues for the AXI IIC, starting with v2.0, initially released in Vivado 2013.1.
Note: The "Version Found" column lists the version the problem was first discovered.
Software Guidance Support
Bare-metal Driver reference:
Standalone driver details can be found in the SDK directory (
For example, C:\Xilinx\SDK\2016.3\data\embeddedsw\XilinxProcessorIPLib\drivers\iic_v3_3\doc\html\api\index.html
Linux Driver reference:-
Device Tree Binding:
Reference Device tree, Kernel configuration for the driver andTest procedures: