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FT4232HQ Datasheet(PDF) 5 Page - Future Technology Devices International Ltd. |
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FT4232HQ Datasheet(HTML) 5 Page - Future Technology Devices International Ltd. |
5 / 55 page Copyright © Future Technology Devices International Limited 5 FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC Datasheet Version 2.4 Document No.: FT_000060 Clearance No.: FTDI#78 Table of Contents 1 Typical Applications .......................................................... 2 1.1 Driver Support ............................................................................. 2 1.2 Part Numbers............................................................................... 3 1.3 USB Compliant ............................................................................. 3 2 FT4232H Block Diagram .................................................... 4 3 Device Pin Out and Signal Description............................... 7 3.1 64-pin LQFP and QFN Package ..................................................... 7 3.1.1 Schematic Symbol .............................................................................7 3.1.2 Pin Descriptions.................................................................................8 3.1.3 Common Pins ....................................................................................9 3.1.4 Configured Pins ...............................................................................11 3.1.4.1 FT4232H pins used as an asynchronous serial interface....................................... 11 3.1.4.2 FT4232H pins used in a Synchronous or Asynchronous Bit-Bang Interface............. 12 3.1.4.3 FT4232H pins used in an MPSSE ...................................................................... 13 3.2 56-pin VQFN Package ................................................................ 14 3.2.1 Schematic Symbol for FT4232H-56Q ..................................................14 3.2.2 Pin Descriptions for FT4232H-56Q......................................................15 3.2.3 Common Pins for FT4232H-56Q.........................................................16 3.2.4 Configured Pins for FT4232H-56Q ......................................................17 3.2.4.1 FT4232H-56Q pins used as an asynchronous serial interface................................ 17 3.2.4.2 FT4232H-56Q pins used in a Synchronous or Asynchronous Bit-Bang Interface...... 18 3.2.4.3 FT4232H-56Q pins used in an MPSSE ............................................................... 19 4 Function Description ....................................................... 20 4.1 Key Features .............................................................................. 20 4.2 Functional Block Descriptions .................................................... 20 4.3 FT232 UART Interface Mode Description.................................... 22 4.3.1 RS232 Configuration ........................................................................22 4.3.2 RS422 Configuration ........................................................................23 4.3.3 RS485 Configuration ........................................................................24 4.4 MPSSE Interface Mode Description ............................................ 25 4.4.1 MPSSE Adaptive Clocking..................................................................27 4.5 Synchronous & Asynchronous Bit-Bang Interface Mode Desc. ... 28 4.5.1 Asynchronous Bit-Bang Mode ............................................................28 |
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