Synopsys Inter-Integrated Circuit (I2C) I/O library is used for two wire interfaces to connect low-speed devices like EEPROM, A/D, and D/A converters and microcontrollers on the same bus. It is designed for higher I/O voltage supply with support for low core voltage and includes fail-safe and fail-tolerance options.
The following operating modes are supported:
Standard Mode: 100 kHz
Fast Mode: 400 kHz
Fast-Plus Mode: 1 MHz
High-Speed Mode: 3.4 MHz