• Single chip USB to asynchronous serial data transfer interface.

• Entire USB protocol handled on the chip. No USB specific firmware programming required.

• Fully integrated 1024-bit EEPROM storing device descriptors and CBUS I/O configuration.

• Fully integrated USB termination resistors.

• Fully integrated clock generation with no external crystal required plus optional clock output selection enabling a glue-less interface to external MCU or FPGA.

• Data transfer rates from 300 baud to 3 Mbaud (RS422, RS485, RS232) at TTL levels.

• 128 bytes receive buffer, and 256 bytes transmit buffer utilising buffer smoothing technology to allow for high data throughput.

• FTDI’s royalty-free Virtual Com Port (VCP) and Direct (D2XX) drivers eliminate the requirement for USB driver development in most cases.

• Unique USB FTDIChip-ID™ feature.

• Configurable CBUS I/O pins.

• Transmit and receive LED drive signals.

• UART interface support for 7 or 8 data bits, 1 or 2 stop bits and odd / even / mark / space / no parity

• FIFO receives and transmits buffers for high data throughput.

• Synchronous and asynchronous bit bang interface options with RD# and WR# strobes.

• Device supplied pre-programmed with unique USB serial number.

• Supports bus powered, self-powered and high-power bus powered USB configurations.

• Integrated +3.3V level converter for USB I/O.

• Integrated level converter on UART and CBUS for interfacing to between +1.8V and +5V logic.

• True 5V/3.3V/2.8V/1.8V CMOS drive output and TTL input.

• Configurable I/O pin output drive strength.

• Integrated power-on-reset circuit.

• Fully integrated AVCC supply filtering - no external filtering required.

• UART signal inversion option.

• +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).