Datasheet

For 32bit Windows OS, 32bit USB drivers should be used (i.e. Windows XP, Vista and W7) and are
located here
C:\Program Files\Renesas\YRMCKITRL78G14\Virtual UART\32bit
if the YRMCKITRL78G14 installation is used
C:\Program Files\IAR Systems\Embedded Workbench 6.0\rl78\drivers\renesas\VirtualCOM\32bit
if the IAR installation is used
For 64bit Windows OS, 64bit USB drivers (i.e. Windows Vista and W7) and are located here
C:\Program Files\Renesas\YRMCKITRL78G14\Virtual UART\64bit
if the YRMCKITRL78G14 installation is used
C:\Program Files\IAR Systems\Embedded Workbench 6.0\rl78\drivers\renesas\VirtualCOM\64bit
if the IAR installation is used
1.1.1 Virtual UART USB Driver Installation on Windows XP
When the YRMCKITRL78G14 board is connected to the host machine, the board is recognized by “Plug and Play”,
and the wizard for finding new hardware is started.
Select “No, not this time” and click “Next”
Select “Install from a list or a specific location (Advanced)” and click “Next”