Overview
The FT230XQ-T, produced by FTDI (Future Technology Devices International Ltd), is a USB to UART (Universal Asynchronous Receiver-Transmitter) bridge IC. This device is designed to provide a compact and efficient interface between USB and asynchronous serial data transfer, making it an ideal solution for integrating USB functionality into various system designs. The FT230XQ-T is part of the FT-X series and offers a comprehensive set of features that simplify the addition of USB capabilities to legacy peripherals and new designs alike.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | 16 Pin SSOP and QFN (both RoHS compliant) |
| Data Transfer Rates | 300 baud to 3 Mbaud |
| Buffer Size | 512 byte receive buffer and 512 byte transmit buffer |
| Power Consumption | 8mA (typical) and USB suspend current of 125uA (typical) |
| Operating Voltage | True 3.3V CMOS drive output and TTL input; operates down to 1.8V with external pull-ups and is 5V tolerant |
| Operating Temperature | -40°C to 85°C |
| USB Compatibility | USB 2.0 Full Speed compatible; UHCI/OHCI/EHCI host controller compatible |
| EEPROM | Fully integrated 2048 byte EEPROM for storing device descriptors and CBUS I/O configuration |
| Clock Generation | Fully integrated clock generation with no external crystal required; optional clock output selection |
Key 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 EEPROM for storing device descriptors and CBUS I/O configuration.
- Fully integrated clock generation with no external crystal required; optional clock output selection.
- Configurable CBUS I/O pins and transmit/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.
- Battery Charger Detection for mobile devices to enable higher current/faster charging of batteries.
- 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 and internal 3.3V/1.8V LDO regulators.
- Low operating current and USB suspend current.
- Low USB bandwidth consumption.
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 primary function of the FT230XQ-T?
The FT230XQ-T is a USB to UART bridge IC, providing a compact interface between USB and asynchronous serial data transfer.
- What are the data transfer rates supported by the FT230XQ-T?
The device supports data transfer rates from 300 baud to 3 Mbaud.
- Does the FT230XQ-T require an external crystal for clock generation?
No, the FT230XQ-T has fully integrated clock generation with no external crystal required.
- What is the power consumption of the FT230XQ-T?
The typical operating current is 8mA, and the USB suspend current is 125uA.
- What are the supported operating temperatures for the FT230XQ-T?
The device operates within a temperature range of -40°C to 85°C.
- Is the FT230XQ-T compatible with different USB host controllers?
Yes, it is compatible with UHCI/OHCI/EHCI host controllers and is USB 2.0 Full Speed compatible.
- What type of EEPROM does the FT230XQ-T have?
The device has a fully integrated 2048 byte EEPROM for storing device descriptors and CBUS I/O configuration.
- Does the FT230XQ-T support battery charger detection?
Yes, it supports battery charger detection to enable higher current/faster charging of batteries.
- What are some typical applications of the FT230XQ-T?
Typical applications include USB to RS232/RS422/RS485 converters, upgrading legacy peripherals to USB, and interfacing MCU/PLD/FPGA based designs to USB, among others.
- Is the FT230XQ-T available in different package types?
Yes, it is available in 16 Pin SSOP and QFN packages (both RoHS compliant).
