Datasheet

Document No.: FT_000329

FT232BL/BQ USB UART IC Datasheet Version 2.2

Clearance No.: FTDI# 171

Appendix B – List of Figures and Tables

List of Figures

Figure 2.1 FT232B Block Diagram .............................................................................................. 3

Figure 3.1 QFN-32 Package Pin Out and schematic symbol ....................................................... 6

Figure 3.2 QFN-32 Package Pin Out and schematic symbol ....................................................... 7

Figure 6.1 Bus Powered Configuration ..................................................................................... 17

Figure 6.2 Self Powered Configuration .................................................................................... 18

Figure 6.3 Bus Powered Circuit with 3.3V logic drive / supply voltage .................................... 19

Figure 6.4 Self Powered Circuit with 3.3V logic drive / supply ................................................ 20

Figure 6.5 Bus Powered with Power Switching Configuration .................................................. 21

Figure 7.1 3 Pin Ceramic Resonator Configuration

Figure 7.2 Crystal or 2 Pin Ceramic Resonator Configuration .................................................. 22

Figure 7.3 EEPROM Configuration ............................................................................................ 23

Figure 8.1 USB-RS232 Converter Configuration ....................................................................... 24

Figure 8.2 USB-RS422 Converter Configuration ....................................................................... 25

Figure 8.3 USB-RS485 Converter Configuration ....................................................................... 26

Figure 9.1 Dual LED Configuration

Figure 9.2 Single LED Configuration ........................................................................................ 27

Figure 10.1 32 LQFP Package Dimensions ............................................................................... 28

Figure 10.2 32 LQFP Package Dimensions ............................................................................... 29

List of Tables

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

Table 3.1 USB Interface Group................................................................................................... 8

Table 3.2 Power and Ground Group ........................................................................................... 8

Table 3.3 Miscellaneous Signal Group ........................................................................................ 8

Table 3.4 UART Interface Group ................................................................................................ 9

Table 3.5 EEPROM Interface Group ............................................................................................ 9

Table 3.6 Power Control Group .................................................................................................. 9

Table 5.1 Absolute Maximum Ratings ...................................................................................... 14

Table 5.2 Operating Voltage and Current ................................................................................. 15

Table 5.3 UART IO Pin Characteristics (VCCIO = +5.0V) ......................................................... 15

Table 5.4 UART IO Pin Characteristics (VCCIO = +3.0 to +3.6V) ............................................. 15

Table 5.5 XTIN / XTOUT Pin Characteristics ............................................................................. 16

Table 5.6 RESET#, TEST, EECS, EESK, EEDATA Pin Characteristics ............................................ 16

Table 5.7 RSTOUT Pin Characteristics (VCCIO = +1.8V, Standard Drive Level) ........................ 16

Table 5.8 USB I/O Pin Characteristics ..................................................................................... 16