The appears to be a highly specialized hardware utility or a very specific software-driver package, likely associated with advanced USB4 or FPGA-based data acquisition interfaces. While "FFUSB" often refers to custom Field-Programmable Gate Array (FPGA) USB links used in scientific and engineering research [32], the "4-in-13" designation may refer to a multifaceted driver suite for 13th-generation mobile processors (like those in the Framework 13 ) that manages four critical USB functions: data, video (DisplayPort), power, and PCIe tunneling. The Evolution of the Portable Driver
The device is provided as a complete package including the necessary USB drivers and a free Communication DTM. It is natively supported by tools like Yokogawa FieldMate (version R2.03+) and other FDT frame applications. ffusb 4 in 13 driver portable