CYUSB3KIT-001 EZ-USB FX3 Development Kit Guide, Doc. #: 001-70237 Rev. *C
83
A.5
USB Boot
Problem
Possible Cause
Possible Solution
Control Center displays
Programming Failed
when
FX3 RAM is programmed with
firmware
Incorrect PMODE settings
Verify that PMODE [2:0] pin settings for USB
boot are as specified in
Table 3-5
Limitation of Etron host
controller.
(The Control Center
application in SDK builds
prior to version 1.2.1
downloads firmware to FX3
in pieces of 4096 bytes. The
Etron host controller further
splits this data into separate
chunks of 4058 bytes and 38
bytes)
Migrate to FX3 SDK version 1.2.1 or later.
(In FX3 SDK 1.2.1, the control transfer size for
firmware download is reduced to 2048 bytes in
the Control Center application)
USB 3.0 cable failure
Verify that the USB cable is connected firmly.
Use the cable supplied with the kit or a USB-IF
certified cable.
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