Arrow DECA User Manual page 12

 Configure the FPGA in JTAG Mode
The following shows how the FPGA is programmed in JTAG mode step by step.
1. Open the Quartus II programmer and click "Auto Detect", as circled in
DECA User Manual
Figure 3-1 Path of the JTAG chain
Figure 3-2 Detect FPGA device in JTAG mode
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Figure 3-2
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May 22, 2015