NEC PG-FPL, User Manual

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Chapter 9 Troubleshooting
Preliminary User’s Manual U17271EE1V0UM00
9.3 Trouble during Operation (Communication)
(1) Communication with the target device 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 refer-
ring to 3.2 Driver
Installation.
Cause:
The Port list box may not be set correctly.
Action:
Set the port checked using Device Manager.
Cause:
An incorrect connection may be made between the target cable and target system.
Action:
Check if the connection is correct.
Pay special attention to the following connections because the connections are confusing:
TXD of target cable
→
RXD of target device
RXD of target cable
←
TXD of target device
Cause:
The power or clock may not be supplied to the target device correctly.
Action:
<1> Check that the clock is supplied on the target system.
<2> Check that the power is supplied on the target system.
If the power is supplied from the FPL, check if the setting of the MODE switch is correct.
Cause:
The PRM file selected in [Device Setup] may be incorrect.
Action:
Use a PRM file that matches the target device.
For information about PRM files, refer to Chapter 4
Using The GUI Software.
Remark: A parameter file (.prc) for FlashPro3 is unusable.
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 and the use environ-
ment.
Cause:
The setting of the Speed list box in [Device Setup] may be incorrect.
Action:
Make a correct setting according to the user's manual of the target device.
Cause:
The power supply capacity of the USB port of the personal computer may be low (when MODE2,
MODE3, or MODE4 is selected).
Action:
Try using another personal computer or supply power from the target system by selecting MODE1.