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FT2232D

FT2232D Dual USB to Serial UART/FIFO IC

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Document No.: FT_000173

FT2232D DUAL USB TO SERIAL UART/FIFO IC Datasheet

Version 2.05

Clearance No.: FTDI# 127

Table of Contents

1 Typical Applications ........................................................................ 2

1.0 Driver Support .................................................................................... 2

1.1 Part Numbers...................................................................................... 2

1.2 USB Compliant .................................................................................... 3

2 FT2232D Block Diagram .................................................................. 4

3 Device Pin Out and Signal Description ............................................ 7

3.0 48-Pin LQFP Package .......................................................................... 7

3.1 Pin Out Description ............................................................................. 8

3.2 Common Pins ...................................................................................... 8

3.3 IO Pin Definitions by Chip Mode .......................................................... 10

3.4 IO Mode Command Hex Values .......................................................... 12

4 Function Description ..................................................................... 13

4.0 Key Features ..................................................................................... 13

4.1 Functional Block Descriptions ........................................................... 15

5 Devices Characteristics and Ratings.............................................. 16

5.0 Absolute Maximum Ratings............................................................... 16

5.1 DC Characteristics............................................................................. 17

5.2 ESD Tolerance................................................................................... 20

6 USB Power Configurations ............................................................ 21

6.0 USB Bus Powered Configuration ...................................................... 21

6.1 USB Self Powered Configuration ...................................................... 22

6.2 Interfacing to 3.3V Logic ................................................................... 23

6.3 Power Switching Configuration......................................................... 25

7 Standard Device Configuration Examples ...................................... 27

7.0 Oscillator Configurations .................................................................. 27

7.1 EEPROM Configurations .................................................................... 29

8 Signal Descriptions by IO Mode and Interface Channel

Configurations .................................................................................... 31

8.0 232 UART Interface Mode Signal Descriptions and Interface

Configurations ........................................................................................... 31

8.1 232 UART Mode LED Interface ........................................................... 35

8.2 245 FIFO Interface Mode Signal Descriptions and Interface

Configurations ........................................................................................... 37

8.3 245 FIFO Mode Timing Diagram ........................................................ 38

8.4 Enhanced Asynchronous and Synchronous Bit-Bang Modes - Signal

Description and Interface Configuration .................................................... 40

Copyright © 2010 Future Technology Devices International Limited

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