MachXO 2280 Breakout Board Evaluation Kit
Evaluation Board User Guide
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All other brand or product names are trademarks or registered trademarks of their respective holders. The specifications and information herein are subject to change without notice.
FPGA-EB-02038-1.2
3
Contents
Acronyms in This Document ................................................................................................................................................. 6
1.
Introduction ................................................................................................................................................................... 7
2.
Features ......................................................................................................................................................................... 8
3.
Storage and Handling .................................................................................................................................................... 9
4.
Software Requirements ................................................................................................................................................. 9
5.
MachXO 2280 Device .................................................................................................................................................... 9
6.
Demonstration Design ................................................................................................................................................... 9
6.1.
Running the Demonstration Design ....................................................................................................................... 9
6.2.
Downloading Demo Designs ................................................................................................................................ 11
6.3.
Recompiling a Demonstration Project with Lattice Diamond .............................................................................. 11
6.4.
Programming with ispVM ..................................................................................................................................... 11
7.
MachXO 2280 Breakout Board .................................................................................................................................... 13
7.1.
Overview .............................................................................................................................................................. 13
7.2.
Subsystems ........................................................................................................................................................... 14
7.2.1.
Clock Sources ................................................................................................................................................ 14
7.2.2.
Expansion Header Landings .......................................................................................................................... 14
7.2.3.
MachXO 2280 PLD ......................................................................................................................................... 25
7.2.4.
JTAG Interface Circuits .................................................................................................................................. 25
7.2.5.
LEDs............................................................................................................................................................... 26
7.2.6.
Power Supply ................................................................................................................................................ 26
7.2.7.
Test Points ..................................................................................................................................................... 26
7.2.8.
USB Programming and Debug Interface ........................................................................................................ 27
7.3.
Board Modifications ............................................................................................................................................. 28
7.3.1.
Bypassing the USB Programming Interface ................................................................................................... 28
7.3.2.
Applying External Power ............................................................................................................................... 28
7.3.3.
Measuring Bank and Core Voltages ............................................................................................................... 28
7.4.
Mechanical Specifications .................................................................................................................................... 28
7.5.
Environmental Requirements ............................................................................................................................... 28
8.
Troubleshooting ........................................................................................................................................................... 29
8.1.
LEDs Do Not Flash ................................................................................................................................................. 29
8.2.
USB Cable Not Detected ....................................................................................................................................... 29
8.3.
Determine the Source of a Pre-Programmed Device ............................................................................................ 29
8.3.1.
Lattice Diamond Programmer Error ............................................................................................................. 29
9.
Ordering Information ................................................................................................................................................... 30
Technical Support Assistance ............................................................................................................................................. 30
Appendix A. Board Schematics ........................................................................................................................................... 31
Appendix B. Bill of Materials............................................................................................................................................... 36
Revision History ................................................................................................................................................................... 37
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