Copyright © 2009 Future Technology Devices International Limited

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Document No.: FT_000060

FT4232H QUAD HIGH SPEED USB TO MULTIPURPOSE UART/MPSSE IC

Datasheet Version 2.05

Clearance No.: FTDI#78

Appendix A - List of Figures and Tables

List of Tables

Table 3.1 FT4232H Pin Configurations ....................................................................................... 9

Table 3.2 Power and Ground ........................................................................................................ 10

Table 3.3 Common Function pins .................................................................................................. 11

Table 3.4 EEPROM Interface Group ............................................................................................... 11

Table 3.5 Channel A,B,C and Channel D Asynchronous Serial Interface Configured Pin Descriptions ...... 12

Table 3.6 Channel A,B,C and Channel D Synchronous or Asynchronous Bit-Bang Configured Pin

Descriptions............................................................................................................................. 13

Table 3.7 Channel A and Channel B MPSSE Configured Pin Descriptions .................................. 14

Table 4.1 MPSSE Signal Timings ................................................................................................... 20

Table 4.2 Synchronous Bit-Bang Mode Timing Interface Example Timings .......................................... 22

Table 5.1 Absolute Maximum Ratings ............................................................................................ 24

Table 5.2 Operating Voltage and Current .............................................................................................. 25

Table 5.3 I/O Pin Characteristics (except USB PHY pins) .................................................................. 26

Table 5.4 PHY Operating Voltage and Current................................................................................. 27

Table 5.5 PHY I/O Pin Characteristics ............................................................................................ 27

Table 6.1 OSCI Input characteristics ............................................................................................. 32

Table 8.1 64 pin LQFP Package Details – dimensions (in mm)........................................................... 38

Table 8.2 Reflow Profile Parameter Values ..................................................................................... 40

Table 8.3 Package Reflow Peak Temperature.................................................................................. 40

List of Figures

Figure 2.1 FT4232H Block Diagram ................................................................................................. 4

Figure 3.1 FT4232H Schematic Symbol ...................................................................................... 7

Figure 4.1 RS232 Configuration .................................................................................................... 17

Figure 4.2 Dual RS422 Configuration............................................................................................. 18

Figure 4.3 Dual RS485 Configuration............................................................................................. 19

Figure 4.4 MPSSE Signal Waveforms ............................................................................................. 20

Figure 4.5 Synchronous Bit-Bang Mode Timing Interface Example .................................................... 22

Figure 6.1 Bus Powered Configuration Example 1............................................................................ 28

Figure 6.2 Bus Powered Configuration Example 2............................................................................ 29

Figure 6.3 Self Powered Configuration Example 1 ........................................................................... 30

Figure 6.4 Self Powered Configuration Example 2 ........................................................................... 31

Figure 6.5 Recommended FT4232H Crystal Oscillator Configuration. ................................................. 32

Figure 6.6 Using 74HCT595 to Indicate Tx and Rx Data ................................................................... 33

Figure 8.1 64 pin QFN Package Details .......................................................................................... 36

Figure 8.2 64 pin LQFP Package Details ......................................................................................... 37

Figure 8.3 64 pin LQFP and QFN Reflow Solder Profile ..................................................................... 39