FT230XQ-R

The FT230X is a USB to serial UART interface with optimised pin count for smaller PCB designs and the following advanced features: Single chip USB to asynchronous serial data transfer interface. Entire USB protocol handled on the chip. No USB specific firmware programming required. Fully integrated 2048 byte multi-timeprogrammable (MTP) memory, storing device descriptors and CBUS I/O configuration. 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, and RS232) at TTL levels. 512 byte receive buffer and 512 byte 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.

Applications

• USB to RS232/RS422/RS485 Converters
• Upgrading Legacy Peripherals to USB
• Utilising USB to add system modularity
• Incorporate USB interface to enable PC transfers for development system communication
• Cellular and Cordless Phone USB data transfer cables and interfaces
• Interfacing MCU/PLD/FPGA based designs to add USB connectivity
• USB Audio and Low Bandwidth Video data transfer
• USB Smart Card Readers
• USB Instrumentation
• USB Industrial Control
• USB MP3 Player Interface
• USB FLASH Card Reader and Writers
• Set Top Box PC - USB interface
• USB Digital Camera Interface
• USB Hardware Modems
• USB Wireless Modems
• USB Bar Code Readers
• USB dongle implementations for Software/Hardware Encryption and Wireless Modules
• Detection of dedicated charging port for battery charging at higher supply currents

Key features

• 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
• Synchronous and asynchronous bit bang interface options with RD# and WR# strobes
• USB Battery Charger Detection. Allows for USB peripheral devices to detect the presence of a higher power source to enable improved charging
• Device supplied pre-programmed with unique USB serial number
• USB Power Configurations; supports bus-powered, self-powered and bus-powered with power switching
• Integrated +3.3V level converter for USB I/O. True 3.3V CMOS drive output and TTL input; operates down to 1V8 with external pull ups. Tolerant of 5V input
• Configurable I/O pin output drive strength; 4 mA (min) and 16 mA (max)
• Integrated power-on-reset circuit
• Fully integrated AVCC supply filtering - no external filtering required
• UART signal inversion option
• +5V Single Supply Operation
• Internal 3V3/1V8 LDO regulators
• Low operating and USB suspend current; 8mA (active-typ) and 125uA (suspend-typ)
• UHCI/OHCI/EHCI host controller compatible
• USB 2.0 Full Speed compatible
• Extended operating temperature range; -40 to 85°C
• Available in compact Pb-free 16 pin SSOP and 16 pin QFN packages (both RoHS compliant)