FT231XS-U: USB to Full Handshake UART Interface Solution

The FT231XS-U is a versatile USB to serial UART (Universal Asynchronous Receiver/Transmitter) interface device from FTDI, Future Technology Devices International Ltd. This compact and reliable module is designed to provide a simple and efficient solution for adding a full handshake UART interface to USB connectivity projects.

Key Features

• USB 2.0 Full-Speed Compatible: The device is fully compliant with the USB 2.0 specification and is backward compatible with USB 1.1.
• Data Transfer Rates: Capable of data transfer rates from 300 baud to 3 Mbaud at TTL levels.
• Integrated Clock Circuit: No external crystal, oscillator, or resonator is required with the FT231XS-U's integrated clock generation.
• Flow Control and Handshaking: Supports full-handshake UART signaling and provides hardware and software flow control.
• Low Power Consumption: The device features USB's suspend and resume operations with low USB bandwidth consumption.
• FIFO Interface: A 512 byte receive buffer and 512 byte transmit buffer utilize buffer smoothing technology to allow for high data throughput.
• Driver Support: Extensive driver support for a variety of operating systems including Windows, Mac OS, Linux, and Android.

Applications

The FT231XS-U is ideal for a range of applications, such as industrial control, data loggers, USB to RS232/RS422/RS485 converters, and USB instrumentation. Its extensive compatibility and simple design make it suitable for integration into existing systems as well as new product designs.

Package and Environmental Information

FTDI's FT231XS-U comes in a compact SSOP-20 package, which is lead-free (RoHS compliant) and suitable for reflow soldering to accommodate modern environmental and manufacturing requirements. The device also supports battery-charge detection, allowing for greater power management in portable applications.

With its robust feature set and proven reliability, the FT231XS-U from FTDI is an excellent choice for developers and engineers looking to bridge USB with UART interfaces in their digital communications projects.