NEC 78K0/Fx2 User Manual page 68

78K0/Fx2 – CAN it!
Communication with the 78K0/Fx2 – CAN it! board is disabled.
Cause:
The driver may not be installed correctly.
Action:
Check if "USB Serial Port" and "USB High Speed Serial Converter" are installed correctly by
referring to CHAPTER 8.5 USB Driver Installation.
Cause:
The COM port selected via the "Port list box" within device setup menu of FPL3 may not be set
correctly.
Action:
Set the port checked using Device Manager.
Cause:
The 78K0/Fx2 – CAN it! board is operating in normal mode.
Action:
Set the board to the FLASH programming mode by setting SW4 switch S1 to ON.
Cause:
The PRM file selected in [Device Setup] may be incorrect.
Action:
Use the corresponding PRM file that matches the target device. For information about the PRM
file, refer to CHAPTER 9 FPL3 FLASH programming software.
Cause:
The setting of "Supply oscillator" in [Device Setup] may be incorrect.
Action:
Make a correct setting according to the specifications of the target device.
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