Part 17: Jtag Interface - Alinx KINTEX-7FPGA User Manual

KEY2

Part 17: JTAG Interface

A JTAG interface is reserved JTAG interface one the AX7325B
FPGAdevelopment 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.
The Figure 17-2 detailed the JTAG interface on the AX7325B FPGA
development board. Users can connect the PC and JTAG interface to debug
the FPGA through the USB downloader provided by us. Be careful not to hot
swap when JTAG cable is plugged and unplugged.
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KINTEX-7 FPGA Development Board AX7325B User Manual
IO_L21N_T3_DQS_13
Figure 17-1: JTAG Interface Schematic
AG28 User Buttons KEY2 Input
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