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ispMACH 4256V Breakout Board Evaluation Kit
Glossary
CPLD: Complex Programmable Logic Device
LED: Light Emitting Diode
LUT: Look-Up Table
PCB: Printed Circuit Board
RoHS: Restriction of Hazardous Substances Directive
SMD: Surface Mount Device
TQFP: Thin Quad Flat Pack
USB: Universal Serial Bus
Troubleshooting
Use the tips in this section to diagnose problems with the ispMACH 4256V Breakout Board.
LEDs Do Not Flash
If power is applied but the board does not flash according to the preprogrammed counter demonstration then it is
likely that the board has been reprogrammed with a new design. Follow the directions in the
Demonstration Design
section of this document to restore the factory default.
USB Cable Not Detected
If Lattice Diamond Programmer does not recognize the USB cable even after installing the Lattice USB Port Drivers
and rebooting, the incorrect USB driver may have been installed. This usually occurs if you attach the board to your
PC prior to installing the USB driver.
To access the Troubleshooting the USB Driver Installation Guide for Diamond software and standalone Diamond
Programmer:
1. Start Diamond or Diamond Programmer and choose Help.
2. Search for USB driver or Troubleshooting, then select the Troubleshooting the USB Driver topic.
The Troubleshooting the USB Driver Installation Guide document appears in your system's PDF file reader.
3. Follow the directions of the guide to install the Lattice USB driver.
Ordering Information
China RoHS Environment-Friendly
Description
Ordering Part Number
Use Period (EFUP)
ispMACH 4256V Breakout Board Evaluation Kit
LC4256V-B-EVN
Technical Support Assistance
Submit a technical support case through www.latticesemi.com/techsupport.
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