FT260 HID-CLASS USB TO UART/I2C BRIDGE IC
Version 1.1
Document No.: FT_001272 Clearance No.: FTDI#484
7.3 Self Powered Configuration with 3.3V Source In .................... 36
7.4 Bus Powered Configuration with +1.8V/+2.5V I/O Voltage ... 37
7.5 Configuration for System Pins................................................. 38
7.6 Power for Programming eFUSE ............................................... 39
8
Application Examples.................................................. 40
8.1 USB HID-over-I2C................................................................... 40
8.2 USB to RS232 Converter ......................................................... 41
8.3 USB to RS485 Converter ......................................................... 42
8.4 USB to RS422 Converter ......................................................... 43
9
User Configuration...................................................... 44
9.1 Programming the embedded eFUSE over USB......................... 44
9.1.1
Default Values............................................................................................ 44
9.2 Programming the external EEPROM over USB......................... 47
9.2.1
9.2.2
Supported EEPROM Spec ............................................................................. 47
Default Values............................................................................................ 48
10 Package Parameters ................................................... 51
10.1
10.2
10.3
10.4
10.5
WQFN-28 Package Mechanical Dimensions .......................... 51
WQFN-28 Package Markings ................................................ 52
TSSOP-28 Package Mechanical Dimensions.......................... 53
TSSOP-28 Package Markings................................................ 54
Solder Reflow Profile............................................................ 55
11 Contact Information ................................................... 56
Appendix A – References ................................................... 57
Document References ...................................................................... 57
Acronyms and Abbreviations............................................................ 58
Appendix B - List of Figures and Tables ............................. 59
List of Figures .................................................................................. 59
List of Tables.................................................................................... 59
Appendix C - Revision History............................................ 61
Copyright © Future Technology Devices International Limited
6
FTDI [ FUTURE TECHNOLOGY DEVICES INTERNATIONAL LTD. ]
