I would like to program MSP430F5259 that is powered from 3.3V and its I/Os are 1.8V. Is such scenario being handled gracefully by the FET programmer ? what would be the JTAG lines voltage in this case ...

The XDS100 emulator is a low-cost JTAG emulator hardware interface option for interfacing to Stellaris devices when using the Code Composer Studio IDE. For additional ...