CrossLink-NX 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-02028-1.3 3
Contents
Acronyms in This Document ................................................................................................................................................. 5
1. Introduction .................................................................................................................................................................. 6
1.1. CrossLink-NX Evaluation Board ........................................................................................................................... 6
1.2. Features .............................................................................................................................................................. 6
1.3. CrossLink-NX Device .......................................................................................................................................... 11
1.4. Applying Power to the Board ............................................................................................................................ 11
2. Jumpers and Test Connection .................................................................................................................................... 12
3. Power Scheme ............................................................................................................................................................ 14
4. Programming and I
2
C .................................................................................................................................................. 15
4.1. JTAG Download Interface .................................................................................................................................. 15
4.2. Alternate JTAG Download Interface .................................................................................................................. 15
4.3. JTAG to MSPI Pass-through Interface ............................................................................................................... 16
4.4. SPI Flash Device Selection in Programmer ........................................................................................................ 16
4.5. Other JTAG Configuration Pins .......................................................................................................................... 17
5. CrossLink-NX Clock Sources ........................................................................................................................................ 18
6. Control Buses – I
2
C, UART, and SPI ............................................................................................................................. 19
6.1. I
2
C ...................................................................................................................................................................... 19
6.2. UART Topology .................................................................................................................................................. 19
6.3. SPI Topology ...................................................................................................................................................... 20
6.3.1. SPI Configuration .......................................................................................................................................... 20
7. LEDs and Switches ...................................................................................................................................................... 21
7.1. DIP Switch ......................................................................................................................................................... 21
7.2. General Purpose Push Buttons ......................................................................................................................... 21
7.3. General Purpose LEDs ....................................................................................................................................... 22
7.4. Indicator LEDs .................................................................................................................................................... 22
8. Headers/Connectors and LIFCL-40 Device Ball Mapping ............................................................................................ 23
8.1. FMC LPC Connector ........................................................................................................................................... 23
8.2. Parallel FMC Configuration Header ................................................................................................................... 25
8.3. Raspberry Pi Board GPIO Header ...................................................................................................................... 25
8.4. Camera Connector ............................................................................................................................................ 26
8.5. D-PHY1 Header .................................................................................................................................................. 27
8.6. PMOD Header ................................................................................................................................................... 28
8.7. JTAG Header ...................................................................................................................................................... 28
8.8. Parallel Configuration Header ........................................................................................................................... 29
8.9. ADC Test Header ............................................................................................................................................... 29
9. Software Requirements .............................................................................................................................................. 30
10. Storage and Handling ............................................................................................................................................. 30
11. Ordering Information .............................................................................................................................................. 30
Appendix A. CrossLink-NX Evaluation Board Schematics ................................................................................................... 31
Appendix B. CrossLink-NX Evaluation Board Bill of Materials ............................................................................................ 45
Appendix C. Fast Configuration Issues ................................................................................................................................ 53
Appendix D. Schematics Updates for ADC Test .................................................................................................................. 54
References .......................................................................................................................................................................... 55
Lattice Semiconductor Documents ................................................................................................................................. 55
Technical Support Assistance .............................................................................................................................................. 56
Revision History .................................................................................................................................................................. 57
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