Document No.: FT 000329 FT232BL/BQ USB UART IC Datasheet Version 2.2 Clearance No.: FTDI 171 Future Technology Devices International Ltd. FT232BL/BQ USB UART IC The FT232B is a USB to serial UART interface with the following advanced features: 4.35V to 5.25V single supply operation Single Chip USB to Asynchronous Serial Support for high power USB Bus powered Data Transfer devices through PWREN pin Full Handshaking & Modem Interface Integrated level converter on UART and Signals control signals for interfacing to 5V and UART I/F Supports 7 / 8 Bit Data, 1 / 2 3.3V logic Stop Bits and Odd/Even/Mark/Space/No Integrated 3.3V regulator for USB IO Parity Integrated Power-On-Reset circuit Data rate 300 => 3M Baud (TTL) Integrated 6MHz 48Mhz clock multiplier Data rate 300 => 1M Baud (RS232) PLL Data rate 300 => 3M Baud UHCI / OHCI / EHCI host controller (RS422/RS485) compatible 384 Byte Receive Buffer / 128 Byte USB 1.1 and USB 2.0 compatible Transmit Buffer for high data throughput USB VID, PID, Serial Number and Product Adjustable RX buffer timeout Description strings in external EEPROM Fully Assisted Hardware or X-On / X-Off EEPROM programmable on-board via USB Handshaking In-built support for event Available as a compact lead free RoHS characters and line break condition compliant 32-LD LQFP package (FT232BL) or Auto Transmit Buffer control for RS485 32-LD QFN package (FT232BQ). Support for USB Suspend / Resume through SLEEP and RI pins Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced in any material or electronic form without the prior written consent of the copyright holder. This product and its documentation are supplied on an as-is basis and no warranty as to their suitability for any particular purpose is either made or implied. Future Technology Devices International Ltd will not accept any claim for damages howsoever arising as a result of use or failure of this product. Your statutory rights are not affected. This product or any variant of it is not intended for use in any medical appliance, device or system in which the failure of the product might reasonably be expected to result in personal injury. This document provides preliminary information that may be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by the publication of this document. Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park, Glasgow G41 1HH United Kingdom. Scotland Registered Company Number: SC136640 Copyright 2011 Future Technology Devices International Limited 1 Document No.: FT 000329 FT232BL/BQ USB UART IC Datasheet Version 2.2 Clearance No.: FTDI 171 1 Typical Applications USB to RS232/RS422/RS485 Converters USB Industrial Control Upgrading Legacy Peripherals to USB USB MP3 Player Interface Cellular and Cordless Phone USB data transfer Set Top Box PC - USB interface cables and interfaces USB Hardware Modems Interfacing MCU/PLD/FPGA based designs to USB Wireless Modems USB USB Bar Code Readers USB Audio and Low Bandwidth Video data transfer USB Smart Card Readers PDA to USB data transfer USB Instrumentation 1.1 Driver Support Royalty free VIRTUAL COM PORT Royalty free D2XX Direct Drivers (VCP) DRIVERS for... (USB Drivers + DLL S/W Interface) Windows 98, 98SE, ME, 2000, Server 2003, XP Windows 98, 98SE, ME, 2000, Server 2003, XP and Server 2008 and Server 2008 Windows 7 32, 64-bit Windows 7 32, 64-bit Windows XP and XP 64-bit Windows XP and XP 64-bit Windows Vista and Vista 64-bit Windows Vista and Vista 64-bit Windows XP Embedded Windows XP Embedded Windows CE 4.2, 5.0 and 6.0 Windows CE 4.2, 5.0 and 6.0 Mac OS 8/9, OS-X Linux 2.4 and greater Linux 2.4 and greater The drivers listed above are all available to download for free from FTDI website (www.ftdichip.com). Various 3rd party drivers are also available for other operating systems - see FTDI website (www.ftdichip.com) for details. For driver installation, please refer to