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
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