Arrow DECA User Manual page 53

Figure 5-2 the luminance of the LEDs is proportional to the duty cycle
 Design Tools
 Quartus II v15.0 64-bit
 Demonstration Source Code
 Project directory: Demonstrations\LedBreathe
 Bit stream: DECA.sof
 Demonstration Batch File
 Demo batch file folder: Demonstrations\LedBreathe
 Batch file: test.bat
 FPGA configure file: DECA.sof
 Demonstration Setup
 Please make sure Quartus II and USB-Blaster II driver are installed on the host PC.
 Connect the USB cable from the USB-Blaster II port (J10) on the DECA board to the host PC.
 Power on the DECA board.
 Execute the demo batch file "test.bat" under the folder
Demonstrations\LedBreathe\demo_batch.
FPGA user LEDs should behave as 'breathing".
DECA User Manual
52
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May 22, 2015