KINTEX UltraScale+ FPGA Board AXKU040 User Manual
Part 14: JTAG Interface
A JTAG interface is reserved JTAG interface one the AXKU040 FPGA
development board for downloading FPGA programs or firmware to FLASH. In
order to prevent damage to the FPGA chip caused by hot plugging, a protection
diode is added to the JTAG signal to ensure that the voltage of the signal is
within the range accepted by the FPGA to avoid damage of the FPGA chip.
Figure 14-1: JTAG Interface Schematic
JTAG Pin Assignment
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