The Uda V5 Driver is not for new projects. However, if you are maintaining a test bench from 2018, or reverse-engineering a proprietary Chinese FPGA programmer, you cannot substitute it. The CH340 is more stable, but the Uda V5 offers unique synchronization features that costlier FTDI chips lack.
Many early USB DVD writers required the Uda V5 driver to enable and DAE (Digital Audio Extraction) . Without it, burning a CD at 52x speed results in frequent buffer underruns and coasters. Uda V5 Driver
: Locate the SoftDog USB Device.zip or the specific UDA V5 installer relevant to your OS version. The Uda V5 Driver is not for new projects
The V5 driver interacts more directly with the OS kernel, reducing the "overhead" time it takes for a command to reach the hardware. Many early USB DVD writers required the Uda