FT245资料：
·Single chip USB to parallel FIFO bidirectional data transfer interface.
·Entire USB protocol handled on the chip - No USB-specific firmware programming required.
·Simple interface to MCU / PLD / FPGA logic with simple 4-wire handshake interface.
·Data transfer rate to 1 Megabyte / second - D2XX Direct Drivers.
·Data transfer rate to 300 kilobyte / second - VCP Drivers.
·256 byte receive buffer and 128 byte transmit buffer utilising buffer smoothing technology to allow for high data throughput.
·FTDI’s royalty-free VCP and D2XX drivers eliminate the requirement for USB driver development in most cases.
·New USB FTDIChip-ID· feature.
·FIFO receive and transmit buffers for high data throughput.
·Adjustable receive buffer timeout.
·Synchronous and asynchronous bit bang mode interface options with RD# and WR# strobes allow the data bus to be used as a general purpose I/O port.
·FT245 Integrated 1024 Bit internal EEPROM for storing USB VID, PID, serial number and product description strings.
·Device supplied preprogrammed with unique USB serial number.
·Support for USB suspend / resume through PWREN# pin and Wake Up pin function.
·In-built support for event characters.
·FT245 Support for bus powered, self powered, and high-power bus powered USB configurations.
·Integrated 3.3V level converter for USB I/O .
·Integrated level converter on FIFO interface and control pins for interfacing to 5V - 1.8V Logic.
·True 5V / 3.3V / 2.8V / 1.8V CMOS drive output and TTL input.
·High I/O pin output drive option.
·Integrated USB resistors.
·Integrated power-on-reset circuit.
·Fully integrated clock - no external crystal, oscillator, or resonator required.
·Fully integrated AVCC supply filtering - No separate AVCC pin and no external R-C filter required.
·USB bulk transfer mode.
·FT245 3.3V to 5.25V Single Supply Operation.
·Low operating and USB suspend current.
·Low USB bandwidth consumption.
·UHCI / OHCI / EHCI host controller compatible
·USB 2.0 Full Speed compatible.
·-40°C to 85°C extended operating temperature range.
·Available in compact Pb-free 28 Pin SSOP and QFN-32 packages (both RoHS compliant).
