Overview
The FT230XS-U, produced by FTDI (Future Technology Devices International Ltd.), is a USB to basic UART (Universal Asynchronous Receiver-Transmitter) interface IC. This device is designed to provide a compact and efficient bridge between USB and asynchronous serial data transfer interfaces. It is part of the FT-X series and is known for its ease of integration into system designs, requiring no specific USB firmware programming. The FT230XS-U is particularly useful for upgrading legacy peripherals to USB and for interfacing MCU/PLD/FPGA based designs with USB.
Key Specifications
| Specification | Details |
|---|---|
| Data Transfer Rates | 300 baud to 3 Mbaud |
| Buffer Size | 512 byte receive buffer and 512 byte transmit buffer |
| Power Consumption | 8mA (typical), 125uA (typical) in USB suspend mode |
| EEPROM | Fully integrated 2048 byte EEPROM |
| Clock Generation | Fully integrated clock generation, no external crystal required |
| USB Compatibility | USB 2.0 Full Speed compatible, UHCI/OHCI/EHCI host controller compatible |
| Operating Temperature | -40°C to 85°C |
| Package Options | Compact Pb-free 16 Pin SSOP and QFN packages (RoHS compliant) |
| UART Interface | Support for 7 or 8 data bits, 1 or 2 stop bits, and odd/even/mark/space/no parity |
| Power Configurations | Bus powered, self-powered, and high-power bus powered USB configurations |
Key Features
- Single chip USB to asynchronous serial data transfer interface.
- Entire USB protocol handled on the chip, no USB specific firmware programming required.
- Configurable CBUS I/O pins and transmit and receive LED drive signals.
- Synchronous and asynchronous bit bang interface options with RD# and WR# strobes.
- Battery Charger Detection for higher current/faster charging of batteries.
- Device supplied pre-programmed with unique USB serial number.
- Integrated +3.3V level converter for USB I/O and true 3.3V CMOS drive output and TTL input.
- Configurable I/O pin output drive strength and internal 3.3V/1.8V LDO regulators.
- Integrated power-on-reset circuit and UART signal inversion option.
- FTDI’s royalty-free Virtual Com Port (VCP) and Direct (D2XX) drivers.
Applications
- USB to RS232/RS422/RS485 Converters
- Upgrading Legacy Peripherals to USB
- Cellular and Cordless Phone USB data transfer cables and interfaces
- Interfacing MCU/PLD/FPGA based designs to USB
- USB Audio and Low Bandwidth Video data transfer
- PDA to USB 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
- Dedicated Charger Port (DCP) detection enabling battery charging at higher current for faster charge times.
Q & A
- What is the FT230XS-U used for?
The FT230XS-U is used as a USB to basic UART interface IC, enabling the integration of USB into system designs via a UART interface.
- What are the data transfer rates of the FT230XS-U?
The data transfer rates range from 300 baud to 3 Mbaud.
- Does the FT230XS-U require external clock generation?
No, the FT230XS-U has fully integrated clock generation and does not require an external crystal.
- What are the power consumption characteristics of the FT230XS-U?
The typical power consumption is 8mA, and the USB suspend current is 125uA.
- What types of UART interfaces does the FT230XS-U support?
The FT230XS-U supports UART interfaces with 7 or 8 data bits, 1 or 2 stop bits, and odd/even/mark/space/no parity.
- Is the FT230XS-U compatible with different USB power configurations?
- Does the FT230XS-U come with pre-programmed USB serial numbers?
- What are the typical applications of the FT230XS-U?
The FT230XS-U is used in various applications including USB to RS232/RS422/RS485 converters, upgrading legacy peripherals to USB, and interfacing MCU/PLD/FPGA based designs to USB.
- What package options are available for the FT230XS-U?
The FT230XS-U is available in compact Pb-free 16 Pin SSOP and QFN packages (both RoHS compliant).
- Does the FT230XS-U support battery charger detection?
