ZCU102 Digilent USB-to-JTAG Module, Circuit, Pictures and Diagram

This post contains details about the ZCU102's USB-to-JTAG Digilent module, the circuit its used in, a picture of the components on the board and a diagram of the resultant JTAG chain.

Overview

The ZCU102 allows JTAG to be used over USB with a Digilent USB JTAG-to-USB module.

The module is available at [link].

Info from the ZCU102 BOM:

• Reference designation on board: U21

• Device: USB Module

• Package: DIGILENT_USB_JTAG_2_NC

• Manufactured and distributed by Digilent

• Manufacturer part number: JTAG-SMT2-NC

• Distributor part number: 410-308P

Circuit

Board

JTAG_TDI, JTAG_TMS and JTAG_TCK also route to J6, U48 and the Zynq UltraScale+ MPSoC as seen at [link].

When used without FMC cards, the JTAG chain from the DIGILENT_USB_JTAG_2_NC looks like:

Diagram available at [link].

References

• ZCU102 BOM (zcu102-bom-rdf0404.zip) at [link] (sign-in required)

• ZCU102 Board Schematics (zcu102-schematic-source-rdf0403.zip) at [link] (sign-in required)

• ZCU102 Layout (bug: see [link])

• Allegro Viewer at [link] (needed to view layout files)

• Xilinx logo found via https://twitter.com/xilinxinc at [link]