AXI IIC Bus Interface

Documentation

• AXI IIC Bus Interface
• Xilinx End User License Agreement

Device Family Support

• Zynq-7000
• Artix-7
• Kintex-7
• Virtex-7
• Virtex-6 HXT
• Virtex-6 LXT
• Virtex-6 SXT
• Spartan-6 LX
• Spartan-6 LXT

This product specification defines the architecture, hardware (signal) interface, software (register) interface and parameterization options for the LogiCORE™ IP AXI IIC Bus Interface module. This module connects to the Advanced Microcontroller Bus Architecture (AMBA®) specification’s Advanced eXtensible Interface (AXI) and provides a low-speed, two-wire, serial bus interface to a large number of popular devices. AXI IIC supports all features, except highspeed mode, of the Philips I2C-Bus Specification.

Key Features

• AXI interface is based on the AXI4-Lite interface
• Master or slave operation
• Multi-master operation
• Software selectable acknowledge bit
• Arbitration lost interrupt with automatic mode switching from master to slave
• Calling address identification interrupt with automatic mode switching from master to slave
• START and STOP signal generation and detection