FT234XD-R Datasheet, PDF (36/37 Pages) Future Technology Devices International Ltd. – USB to BASIC UART IC

FT234XD USB TO BASIC UART IC
Version 1.2
Document No.: FT_000753 Clearance No.: FTDI#324
Appendix B - List of Figures and Tables
List of Figures
Figure 2.1 FT234XD Block Diagram ................................................................................................. 4
Figure 3.1 DFN Schematic Symbol .................................................................................................. 7
Figure 6.1 Bus Powered Configuration ........................................................................................... 20
Figure 6.2 Self Powered Configuration ........................................................................................... 21
Figure 6.3 Bus Powered with Power Switching Configuration ............................................................ 22
Figure 7.1 Application Example showing USB to RS232 Converter ..................................................... 23
Figure 7.2 Application Example Showing USB to RS485 Converter .................................................... 24
Figure 7.3 USB to RS422 Converter Configuration........................................................................... 25
Figure 7.4 USB Battery Charging Detection .................................................................................... 26
Figure 7.5 Single LED Configuration .............................................................................................. 27
Figure 8.1: Simplified memory map for the FT-X ............................................................................ 30
Figure 9.1 DFN-12 Package Dimensions......................................................................................... 31
Figure 9.2 DFN-12 Package Markings ............................................................................................ 32
Figure 9.3 FT234XD Solder Reflow Profile ...................................................................................... 33
List of Tables
Table 3.1 Power and Ground .......................................................................................................... 7
Table 3.2 Common Function pins .................................................................................................... 8
Table 3.3 UART Interface and CBUS Group (see note 1) .................................................................... 8
Table 3.4 CBUS Configuration Control ........................................................................................... 10
Table 5.1 Absolute Maximum Ratings ............................................................................................ 14
Table 5.2 Operating Voltage and Current ....................................................................................... 15
Table 5.3 I/O Pin Characteristics VCCIO = +3.3V (except USB PHY pins) ........................................... 16
Table 5.4 I/O Pin Characteristics VCCIO = +2.5V (except USB PHY pins) ........................................... 17
Table 5.5 I/O Pin Characteristics VCCIO = +1.8V (except USB PHY pins) ........................................... 18
Table 5.6 USB I/O Pin (USBDP, USBDM) Characteristics .................................................................. 19
Table 5.7 MTP Memory Characteristics........................................................................................... 19
Table 5.8 Internal Clock Characteristics ......................................................................................... 19
Table 8.1 Default Internal MTP Memory Configuration ..................................................................... 29
Table 9.1 Reflow Profile Parameter Values ..................................................................................... 33
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