The UMFTPD2A module is used for programming/debugging the FT90x series of 32-bit microcontrollers. It provides a USB connection from a PC to the 1-wire program/debug port of the FT90x chip.

FT4232H USB 2.0 Hi-Speed (480Mb/s) to 4 x UART converter
Channel A: serial UART I/O One-Wire program/debug interface
Channel B: MPSSE interface for EFUSE program
Channel C: serial UART I/O for general purpose use
Channel D: Bit-Bang port GPIO for general purpose use
2 x 5-pin 1.27mm pitch Micro-MaTch socket
2 x 6-pin 2.54mm pitch through hole pin header
USB Micro-B host socket also supplies power
3 x power supply LEDs

Micro-MaTch Male to Male 10W ribbon cable