FT232BL-REEL

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: Single Chip USB to Asynchronous Serial Data Transfer Full Handshaking & Modem Interface Signals UART I/F Supports 7 / 8 Bit Data, 1 / 2 Stop Bits and Odd/Even/Mark/Space/No Parity Data rate 300 => 3M Baud (TTL) Data rate 300 => 1M Baud (RS232) Data rate 300 => 3M Baud (RS422/RS485) 384 Byte Receive Buffer / 128 Byte Transmit Buffer for high data throughput Adjustable RX buffer timeout Fully Assisted Hardware or X-On / X-Off Handshaking In-built support for event characters and line break condition Auto Transmit Buffer control for RS485 Support for USB Suspend / Resume through SLEEP# and RI# pins 4.35V to 5.25V single supply operation Support for high power USB Bus powered devices through PWREN# pin Integrated level converter on UART and control signals for interfacing to 5V and 3.3V logic Integrated 3.3V regulator for USB IO Integrated Power-On-Reset circuit Integrated 6MHz – 48Mhz clock multiplier PLL UHCI / OHCI / EHCI host controller compatible USB 1.1 and USB 2.0 compatible USB VID, PID, Serial Number and Product Description strings in external EEPROM EEPROM programmable on-board via USB Available as a compact lead free RoHS compliant 32-LD LQFP package (FT232BL) or 32-LD QFN package (FT232BQ). 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 cables and interfaces Set Top Box PC - USB interface Interfacing MCU/PLD/FPGA based designs to USB USB Audio and Low Bandwidth Video data transfer PDA to USB data transfer USB Hardware Modems USB Wireless Modems USB Bar Code Readers USB Smart Card Readers USB Instrumentation 1.1 Driver Support Royalty free VIRTUAL COM PORT (VCP) DRIVERS for... Royalty free D2XX Direct Drivers (USB Drivers + DLL S/W Interface) Windows 98, 98SE, ME, 2000, Server 2003, XP and Server 2008 Windows 98, 98SE, ME, 2000, Server 2003, XP 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 http://www.ftdichip.com/Documents/InstallGuides.htm 1.2 Part Numbers Part Number Package FT232BQ-XXYY 32 Pin QFN FT232BL- XXYY 32 Pin LQFP Table 1.1 Part Numbers Note: Packing codes for xxxx is: - Reel: Taped and Reel, (LQFP is 1,000pcs per reel, QFN is 2,500pcs per reel). - Tray: Tray packing, 250pcs per tray (LQFP only) Copyright © 2011 Future Technology Devices International Limited 2 Document No.: FT_000329 FT232BL/BQ USB UART IC Datasheet Version 2.2 Clearance No.: FTDI# 171 2 FT232B Block Diagram Figure 2.1 FT232B Block Diagram For a description of each function please refer to Section 4. Copyright © 2011 Future Technology Devices International Limited 3 Document No.: FT_000329 FT232BL/BQ USB UART IC Datasheet Version 2.2 Clearance No.: FTDI# 171 Table of Contents 1 Typical Applications ...................................................................... 2 1.1 Driver Support .................................................................................... 2 1.2 Part Numbers...................................................................................... 2 2 FT232B Block Diagram ................................................................. 3 3 Device Pin Out and Signal Description .......................................... 6 3.1 32 Pin LQFP Package .......................................................................... 6 3.2 32 Pin QFN Package ............................................................................ 7 3.3 LQFP and QFN Package Pin Out Description ........................................ 8 4 Function Description................................................................... 10 4.1 Key Features and Enhancements from FT8U232AM .......................... 10 4.2 Functional Block Descriptions ........................................................... 12 5 Devices Characteristics and Ratings ........................................... 14 5.1 Absolute Maximum Ratings............................................................... 14 5.2 DC Characteristics............................................................................. 15 6 USB Power Configurations .......................................................... 17 6.1 USB Bus Powered Configuration ...................................................... 17 6.2 Self Powered Configuration .............................................................. 18 6.3 Interfacing to 3.3V Logic .................................................................. 19 6.3.1 Bus Powered Circuit with 3.3V logic drive / supply voltage .............................................. 19 6.3.2 Self Powered Circuit with 3.3V logic drive / supply ......................................................... 20 6.4 7 Bus Powered Circuit (