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FT232HQ-REEL Datasheet(PDF) 6 Page - Future Technology Devices International Ltd. |
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FT232HQ-REEL Datasheet(HTML) 6 Page - Future Technology Devices International Ltd. |
6 / 66 page Copyright © Future Technology Devices International Limited 6 Document No.: FT_000288 FT232H SINGLE CHANNEL HI-SPEED USB TO MULTIPURPOSE UART/FIFO IC Datasheet Version 1.82 Clearance No.: FTDI #199 Table of Contents 1 Typical Applications...................................................................... 2 1.1 Driver Support .................................................................................... 2 1.2 Part Numbers...................................................................................... 2 USB Compliant....................................................................................... 4 1.3 ............................................................................................................... 4 1.4 Applicable Documents ........................................................................ 4 2 FT232H Block Diagram ................................................................. 5 3 Device Pin Out And Signal Descriptions ........................................ 8 3.1 Schematic Symbol............................................................................... 8 3.2 FT232H Pin Descriptions .................................................................... 9 3.3 Signal Description............................................................................. 10 3.4 ACBUS Signal Option......................................................................... 14 3.5 Pin Configurations ............................................................................ 15 3.5.1 FT232H pins used in an UART interface......................................................................... 15 3.5.2 FT232H pins used in an FT245 Synchronous FIFO Interface............................................. 16 3.5.3 FT232H pins used in an FT245 Style Asynchronous FIFO Interface ................................... 17 3.5.4 FT232H can be configured as a Synchronous or Asynchronous Bit-Bang Interface.............. 18 3.5.5 FT232H pins used in an MPSSE.................................................................................... 19 3.5.6 FT232H Pins used as a Fast Serial Interface .................................................................. 20 3.5.7 FT232H Pins Configured as a CPU-style FIFO Interface ................................................... 21 3.5.8 FT232H Pins Configured as a FT1248 Interface .............................................................. 22 4 Function Description................................................................... 23 4.1 Key Features..................................................................................... 23 4.2 Functional Block Descriptions ........................................................... 24 4.3 FT232 UART Interface Mode Description........................................... 25 4.3.1 RS232 Configuration .................................................................................................. 25 4.3.2 RS422 Configuration .................................................................................................. 26 4.3.3 RS485 Configuration .................................................................................................. 27 4.4 FT245 Synchronous FIFO Interface Mode Description ...................... 28 4.4.1 FT245 Synchronous FIFO Read Operation ..................................................................... 29 4.4.2 FT245 Synchronous FIFO Write Operation..................................................................... 29 4.5 FT245 Style Asynchronous FIFO Interface Mode Description............ 30 4.6 FT1248 Interface Mode Description .................................................. 31 4.6.1 Bus Width Protocol Decode ......................................................................................... 32 4.6.2 FT1248: 1-bit interface............................................................................................... 33 4.7 Synchronous and Asynchronous Bit-Bang Interface Mode ................ 35 4.7.1 Asynchronous Bit-Bang Mode ...................................................................................... 35 |
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