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FT232HQ-TRAY Datasheet(PDF) 5 Page - List of Unclassifed Manufacturers |
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5 / 66 page Copyright © 2012 Future Technology Devices International Limited 5 Document No.: FT_000288 FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC Datasheet Version 1.8 Clearance No.: FTDI #199 Table of Contents 1 Typical Applications...................................................................... 2 1.1 Driver Support .................................................................................... 2 1.2 Part Numbers...................................................................................... 2 USB Compliant....................................................................................... 3 1.3 ............................................................................................................... 3 1.4 Applicable Documents ........................................................................ 3 2 FT232H Block Diagram ................................................................. 4 3 Device Pin Out And Signal Descriptions ........................................ 7 3.1 Schematic Symbol............................................................................... 7 3.2 FT232H Pin Descriptions .................................................................... 8 3.3 Signal Description............................................................................... 9 3.4 ACBUS Signal Option......................................................................... 13 3.5 Pin Configurations ............................................................................ 14 3.5.1 FT232H pins used in an UART interface......................................................................... 14 3.5.2 FT232H pins used in an FT245 Synchronous FIFO Interface............................................. 15 3.5.3 FT232H pins used in an FT245 Style Asynchronous FIFO Interface ................................... 16 3.5.4 FT232H can be configured as a Synchronous or Asynchronous Bit-Bang Interface.............. 17 3.5.5 FT232H pins used in an MPSSE.................................................................................... 18 3.5.6 FT232H Pins used as a Fast Serial Interface .................................................................. 19 3.5.7 FT232H Pins Configured as a CPU-style FIFO Interface ................................................... 20 3.5.8 FT232H Pins Configured as a FT1248 Interface .............................................................. 21 4 Function Description................................................................... 22 4.1 Key Features..................................................................................... 22 4.2 Functional Block Descriptions ........................................................... 23 4.3 FT232 UART Interface Mode Description........................................... 24 4.3.1 RS232 Configuration .................................................................................................. 24 4.3.2 RS422 Configuration .................................................................................................. 25 4.3.3 RS485 Configuration .................................................................................................. 26 4.4 FT245 Synchronous FIFO Interface Mode Description ...................... 27 4.4.1 FT245 Synchronous FIFO Read Operation ..................................................................... 28 4.4.2 FT245 Synchronous FIFO Write Operation..................................................................... 28 4.5 FT245 Style Asynchronous FIFO Interface Mode Description............ 29 4.6 FT1248 Interface Mode Description .................................................. 30 4.6.1 Bus Width Protocol Decode ......................................................................................... 31 4.6.2 FT1248: 1-bit interface............................................................................................... 32 4.7 Synchronous and Asynchronous Bit-Bang Interface Mode ................ 34 4.7.1 Asynchronous Bit-Bang Mode ...................................................................................... 34 |
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