ITEM NAME:FT232H high-speed multi-function USB to JTAG UART / / SPI I2C module FIFO Q H9I8 Description&Preview.The FT232H has the following advanced features USB to FIFO. USB to asynchronous 245 FIFO mode for transfer data rate up to 8 Mbyte/Sec. USB to synchronous 245 parallel FIFO mode for transfers upto 40 Mbytes/Sec.