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
Description
USB to asynchronous 245 FIFO mode, transfer data rate up to 8 megabytes per second USB to synchronous 245 parallel FIFO mode, transfer rate up to 40 megabytes per second Supports half-duplex, bidirectional data bus, configurable width (1, 2, 4 or 8 bit wide) FT1248 interface Configurable I/O drive strength (4, 8, 12 or 16 mA) and slew rate Complete hardware grip or X-On/X-Off software Bit-bang with RD# and WR# control signal options; options for LED drive signals when transmitting and receiving Typical Applications