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3 Installing
3.4.3 Other Notes
Caution: The “USB Drivers” folder below is stored.
Driver Name Description Related Files
USBMON Driver USBMON driver is a driver for using
FoUSB (Flash-over-USB) and KD (KD30,
KD3083)
usbmon.sys
usbmon.inf
FoUSB Driver FoUSB driver is a driver for using USB
MCU (M367641F8) of USB Monitor
Board in Boot mode. (Note)
fousb.sys
fousb.inf
(Note)
The Boot mode of USB MCU is used only for the use shown below.
1) Installation of FoUSB Driver
2) When the firmware of USB MCU is erased or damaged
When the firmware of USB MCU is erased or damaged, the phenomenon of [6.4 FoUSB cannot
operate Why?] or [6.6 A communication error occurs when the KD starts. What is the cause of
this problem?] occurs.
In this case, it is necessary to install FoUSB driver (first time only) and download firmware
compulsorily on a USB MCU. Please refer to [6.4 FoUSB cannot operate Why?].
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