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© 2022 ROHM Co., Ltd.
65UG018E Rev.001
July 2022
User’s Guide
Contents
1.
Safety Precautions ..................................................................................................................................................................... 5
2.
Introduction ................................................................................................................................................................................ 6
3.
Key features ............................................................................................................................................................................... 6
3.1.
Spartan-7 EVK description ................................................................................................................................................ 6
3.2.
Board details ..................................................................................................................................................................... 7
3.3.
Power tree ......................................................................................................................................................................... 8
3.4.
LED Indications ................................................................................................................................................................. 9
3.5.
Power-up ........................................................................................................................................................................... 9
3.6.
Onboard switches ........................................................................................................................................................... 10
3.7.
PMIC status pins .............................................................................................................................................................. 11
3.8.
General purpose FPGA I/Os ........................................................................................................................................... 12
3.9.
JTAG interface ................................................................................................................................................................ 13
3.10.
I2C interface .................................................................................................................................................................... 14
4.
Testing default FPGA software ................................................................................................................................................. 14
5.
Power sequencing.................................................................................................................................................................... 16
6.
Troubleshooting ....................................................................................................................................................................... 16
7.
Schematic and BOM ................................................................................................................................................................ 18
8.
PCB layout ............................................................................................................................................................................... 27
