This document mainly introduces the connection, driver installation, and usage in FlashPro software. The product is a USB downloader for Actel FPGA, supporting program downloading and debugging for all third-generation FPGA from Actel, including ProASIC3, ProASIC3L, IGLOO, Fusion, etc. It features USB2.0 interface, fast downloading speed, online debugging of FPGA programs, debugging of embedded soft cores (8051, ARM7, etc.).