FT4232HL datasheet(5/55 Pages) FTDI

5 / 55 page

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

FT4232HL Datasheet(PDF) 5 Page - Future Technology Devices International Ltd.