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Alphacool

Alphacool JTAG-HS3 Programming Cable 2 in 1 accessory

SKU CH-SS1Z-X4E1H

JTAG programming cable for Xilinx FPGAs and SoCs with 30Mbit/sec USB2 speed and open-drain buffer on pin 14 for processor-core reset

  • Complete JTAG programming solution for Xilinx FPGAs and SoCs
  • Direct plug into standard Xilinx 2x7 JTAG header
  • High-speed USB 2.0 interface drives JTAG bus up to 30Mbit/sec
  • Open-drain buffer on pin 14 enables Zynq-SoC processor core reset
  • USB Micro-B powered, recognised by all Xilinx tools including iMPACT, ChipScope, EDK

Xilinx FPGA Programming Cable

The Alphacool JTAG-HS3 is a compact, all-in-one debugging solution for Xilinx FPGAs and SoCs. It plugs directly into a standard Xilinx 2x7 JTAG header and draws power from a USB Micro-B connection. The cable is recognised by Xilinx tools such as iMPACT, ChipScope and EDK without a target board attached. It suits engineers who need a portable, high-speed programming interface.

High-Speed USB 2.0 Interface

The cable provides a high-speed USB 2.0 port that drives the JTAG bus at up to 30 Mbit/sec with user-adjustable frequency. An open-drain buffer on pin 14 enables processor core reset for Zynq SoC debugging. Signals remain in high-impedance when not actively driven, allowing the JTAG bus to be shared with other devices. It requires a standard A to micro-USB cable for host connection.

30 Mbit/sec JTAG Throughput

The interface comfortably handles typical FPGA programming and real-time debugging tasks at the supported bus speed. It runs out of headroom for extremely high-bandwidth trace captures or multi-device chains that exceed the 30 Mbit/sec limit. The unique 2x7 header is not compatible with 1x6 MTE Digilent connectors, so boards using that format cannot be used.

Highlights

  • Complete JTAG programming solution for Xilinx FPGAs and SoCs
  • Direct plug into standard Xilinx 2x7 JTAG header
  • High-speed USB 2.0 interface drives JTAG bus up to 30Mbit/sec
  • Open-drain buffer on pin 14 enables Zynq-SoC processor core reset
  • USB Micro-B powered, recognised by all Xilinx tools including iMPACT, ChipScope, EDK

Specifications

No published specifications for this item yet.

Questions about this item

How fast can the JTAG bus run when I program a Xilinx FPGA for hours?

The bus can reach 30 Mbit/s and the frequency is user-adjustable.

Does the cable get hot or noisy when left plugged into a USB port all day?

It draws power from USB, has no fan and no moving parts, so it stays silent and cool.

What connector must my target board already have for this cable to attach?

The board needs a standard Xilinx 2×7 JTAG header; the 1×6 MTE connector will not work.

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