The FT2232H Mini-Module is a USB-to-Serial/FIFO unit that utilizes the FT2232H USB Hi-Speed 2-port bridge chip The FT4232H Mini-Module is a USB-to-Serial/MPSSE unit that utilizes the FT4232H USB Hi-Speed 4-port bridge chip The IC handles all the USB signalling and protocols Ideal for development purposes to quickly prove functionality of adding USB to a target design