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FT232RQ Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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5 / 43 page Copyright © 2010 Future Technology Devices International Limited 5 Document No.: FT_000053 FT232R USB UART IC Datasheet Version 2.10 Clearance No.: FTDI# 38 Table of Contents 1 Typical Applications ........................................................................ 2 1.1 Driver Support .................................................................................... 2 1.2 Part Numbers...................................................................................... 2 Note: Packing codes for xxxx is:.................................................................. 2 1.3 USB Compliant .................................................................................... 3 2 FT232R Block Diagram .................................................................... 4 3 Device Pin Out and Signal Description ............................................ 7 3.1 28-LD SSOP Package .......................................................................... 7 3.2 SSOP Package Pin Out Description...................................................... 7 3.3 QFN-32 Package ............................................................................... 10 3.4 QFN-32 Package Signal Description .................................................. 10 3.5 CBUS Signal Options ......................................................................... 13 4 Function Description ..................................................................... 14 4.1 Key Features..................................................................................... 14 4.2 Functional Block Descriptions ........................................................... 15 5 Devices Characteristics and Ratings.............................................. 17 5.1 Absolute Maximum Ratings............................................................... 17 5.2 DC Characteristics............................................................................. 18 5.3 EEPROM Reliability Characteristics ................................................... 21 5.4 Internal Clock Characteristics........................................................... 21 6 USB Power Configurations ............................................................ 23 6.1 USB Bus Powered Configuration ...................................................... 23 6.2 Self Powered Configuration .............................................................. 24 6.3 USB Bus Powered with Power Switching Configuration .................... 25 6.4 USB Bus Powered with Selectable External Logic Supply .................. 26 7 Application Examples .................................................................... 27 7.1 USB to RS232 Converter ................................................................... 27 7.2 USB to RS485 Coverter ..................................................................... 28 7.3 USB to RS422 Converter ................................................................... 29 7.4 USB to MCU UART Interface .............................................................. 30 7.5 LED Interface.................................................................................... 31 7.6 Using the External Oscillator ............................................................ 32 8 Internal EEPROM Configuration .................................................... 33 9 Package Parameters ..................................................................... 35 9.1 SSOP-28 Package Dimensions .......................................................... 35 |
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