The Hs-Mode I2C Controller IP Core interfaces user Registers to an I2C Bus or Memory (SDRAM / SRAM / Flash / FIFO) or any Peripheral or CPU connecting through an internal AHB / APB / AXI / Avalon / Qsys Bus to an I2C Bus in Hs-Mode (3.4 Mbit/s) / Fast-Mode Plus (1 Mbit/s) / Fast-Mode (400 Kbit/s) / Standard-Mode (100 Kbit/s).