Supports bus-powered, self-powered and high-power bus-powered USB configurations +1.8V (chip core) and +3.3VI/O interface (+5V withstand voltage)
Support USB bulk data transfer mode (512-byte packets in high-speed mode) UART transfer data rate up to 12 megabaud (baud). (PS232 data rate limit is determined by external level shifter), UART interface supports 7 or 8 bit data bits, 1 or 2 stop bits and odd/even/marker/space/no parity
Use external EEPROM to save operating mode configuration and USB description string configuration data via USB interface.Automatic transmission enable control for RS485 serial applications using the TXDEN pin.Compatible with UHCI/OHCI/EHCI host controller; compatible with USB2.0 high speed 480Mbps and full speed 12Mpbs