Common FT2232D USB Interface Problems and How to Diagnose Them

The FT2232D USB interface chip by FTDI is widely used in various embedded systems, especially for serial communication between USB devices and microcontrollers. However, users often encounter problems when connecting the FT2232D to their computers, whether it's for development, debugging, or direct communication. In this section, we'll explore common issues that arise with FT2232D USB interfaces and provide guidance on diagnosing these problems.