Overview

USB Device Decoding

Affordable and Portable

View and Understand USB Protocol

Key Features

Non-intrusive Analysis Hardware

Real Time Triggering

Precision Timing Measurements

Find The Issues Fast

Zero Time Search

Additional Resources

Overview

The Mercury T2 is the industry's smallest, most affordable hardware-based USB 2.0 protocol analyzer that combines the defacto standard CATC Trace display with powerful analysis features. The pocket-sized Mercury T2 is bus powered and is controlled using any Windows PC. With comprehensive triggering, the Mercury T2 provides much of the same lab quality protocol analysis capabilities offered in Teledyne LeCroy's top-of-the-line USB analyzers.

USB Device Decoding

Comprehensive USB Device class decoding is included with the Mercury T2.

Complete list of USB Decodes

  • Audio
    • Audio 1.0
    • Audio 2.0
  • CDC (Communications Device Class)
    • Direct Line Control Model
    • Abstract Control Model
    • Telephone Control Model
    • Multi-Channel Control Model
    • CAPI Control Model
    • Ethernet Networking Control Model (EEM)
    • Network Control Model (NCM)
    • ATM Networking Control Model
    • Wireless Handset Control Model
    • Device Management Model
    • Mobile Direct Line Model
    • Mobile Broadband Interface Module (MBIM)
    • OBEX Model
    • CDC Data
    • WMC
  • Content Security
  • HID (Human Interface Device)
    • Monitor (HID extension)
    • Physical Interface
    • Power (HID extension)
    • HUT (HID)
    • Point of sale Devices (HID extension)
  • Hub Class USB 2.0
  • Hub Class USB 3.0
  • HCI Command
  • Generic Printer Class
  • Internet Protocol
    • IP_ET0800
    • IPv6
  • Isochronous
  • Pict Bridge
  • Mass Storage
    • SCSI/Bulk
    • UFI/CBI
    • ATAPI
    • RBC
    • USB Attached SCSI (UAS)
  • Smart Card
    • CCID
    • ICCD
  • Still Imaging Class
    • PTP
    • MTP Class Decoding Extension
  • Video Class
    • USB Video 1.5 (UVC)
    • USB Video 1.1
    • SC_VIDEOCONTROL
    • SC_VIDEOSTREAMING
    • SC_VIDEO_INTERFACE_COLLECTION
  • Virtual UART
  • Wireless Controller
    • BT HCI & HCI SCO
    • UWB
  • Miscellaneous Classes
    • Host Wire Adapter
    • Cable Based Association Framework (CBAF)
    • Device Wire Adapter
    • Interface Association Descriptor
    • IrDA Bridge
    • Personal Healthcare (PHDC)
  • Remote NDIS
  • Printer
  • Test & Measurement
    • 00 - USB Test and Measurement Device
    • 01 - USB Test and Measurement Device conforming to the USBTMC USB488
  • USB3 Vision
    • USB Vision Event
    • USB Vision Stream

This allows users to see upper-level mapped protocol events within the trace eliminating the tedious process of manually decoding device specific commands. From Mass Storage Class to Communication Device Class (CDC), the Mercury T2 provides the most complete decoding of USB device transactions.

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Affordable and Portable

The Mobile T2 leads the industry in affordability with comprehensive USB 2.0 test and analysis features. Starting at $875, the Mercury T2 can be used virtually anywhere, extending beyond the lab environment over to the personal workstations of USB developers. Every engineer within a design team (hardware, software, and firmware) will appreciate the benefit of having a personal analyzer to fit their individual needs.

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View and Understand USB Protocol

Featuring the industry-leading CATC Trace expert analysis software, the Mercury T2 system provides an easy-to-use display that graphically decodes logical protocol events. With the Standard or Advanced edition, all protocol levels can be expanded to show the underlying transactions and packets.

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Key Features

  • CATC Trace Analysis Software - Faster interpretation and debug of USB traffic
  • Portable and Convenient - Bus Powered analyzer works with any Windows-based PC
  • AutoDetect USB 2.0 Speeds - Automatically detects low, full, and high speed connections
  • OTG (On-The-Go) Support - Record and analyze HNP & SRP, including the capture of VBus and Data line pulses
  • 256 MByte Recording Capacity – Extend capture windows further with filtering and real time data truncation
  • Spool-to-Disk Mode - Record for hours or even days with spool-to-disk capture
  • Non-intrusive High Impedance Probe - Preserves real-world signal and timing conditions for device under test
  • Advanced Triggering - Isolates important traffic, specific errors or data patterns
  • Extensive Decodes - Mass Storage, Bluetooth HCI, Hub, PTP/Still Image, Printer, Human Interface Devices (HID), Audio and Communication
  • Real-Time Statistics - View bus traffic as it occurs even if a Trace is not being recorded
  • Hardware Filtering - Automatically exclude non-essential and redundant packets from the trace
  • Intelligent Reporting - Quickly identify and track error rates, abnormal bus or timing conditions
  • Sophisticated Viewing – provides complete Packet, Transaction and Transfer layer views of USB protocol

Non-intrusive Analysis Hardware

Completely passive in design, the Mercury T2 preserves real-world signaling and provides 100% faithful representation of traffic on the bus. Featuring a high-impedance, non-intrusive probe, the Mercury acts strictly as a "sniffer" and does not re-time or affect signal amplitude between the host and device. 256MB of physical data recording memory can be extended with filtering and data truncation.

Real Time Triggering

Isolating specific protocol events with real time triggering is essential to capture intermittent problems. The Mercury T2 provides sophisticated triggering with drag-and-drop selections for PID type, data patterns, standard requests, errors, and bus events. The Mercury provides 14 protocol error triggers with auto-detection of several additional post-capture errors. The ability to trigger & pinpoint specific bus conditions as they occur saves time during testing and debug.

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Precision Timing Measurements

The CATC trace software includes a persistent timing display that provides one-click measurements between events. The bandwidth calculator provides full bus utilization metrics for any range of packets.

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Find The Issues Fast

Teledyne LeCroy's USB software provides many mechanisms to measure and report on USB traffic. The Bus Utilization graphs data, packet length, and bus usage by device. Using the Traffic Summary window, users can evaluate statistical reports at a glance or navigate to individual packets.

Zero Time Search

Powerful search and reporting options allow users to quickly navigate to specific packets, errors and any data type within a trace file. The CATC Trace also supports filter and hide commands, to remove irrelevant data from the Trace for efficient viewing.

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Additional Resources

Mercury T2C Comparison Chart

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Resources

Name

Probing Embedded USB Bus Designs

W hen recording data traffic between USB devices on a PCB that does have external connectors, you may need to build your own probe to connect directly to the USB bus on the PCB.

Application Note

Mercury T2 USB Protocol Analyzer Datasheet

Datasheet

App Note: Application Debugging USB Bus Utilization Graph

The bus utilization graph found in the range of CATC USB Analyser applications provides a valuable time-scaled view in addition to the chronological packet and logical transfer views of the primary display window.

Application Note

App Note: How to do File Based Decoding for USB

This document shows step-by-step how to decode USB transfers associated with higher-level protocols than USB.

Application Note
Name

Voyager Exerciser Language Manual

Product Manual

USB Protocol Suite Verification Script Engine Manual

Product Manual

USB4 Exerciser Manual

Product Manual

USB Power Delivery Exerciser Manual

Product Manual

USB Protocol Suite User Manual

Product Manual

USB Embedded Probe

USB Embedded Probe

The embedded USB probe allows any Teledyne LeCroy USB protocol analyzer to tap between chip-to-chip USB links using low or full speed Inter-chip signals or standard USB 2.0 signaling.

USB Embedded Probe

Inter-Chip USB (IC-USB) specification (Reference A) defines a standard methodology for using USB in chip-to-chip communications. It is used in the embedded systems market as a replacement for i2C to control data transfers between endpoint functions within an embedded device. IC-USB allows vendors to leverage on-board embedded USB host logic to enable faster chip-to-chip communications using USB physical links within a multi-chip PCB assembly.

Teledyne LeCroy's embedded probe supports tapping these chip-to-chip links using low or full speed Inter-chip signals at all defined IC-USB voltages. The probe can also be used to tap USB 2.0 links at standard 3.3 volt signal levels. The embedded probe utilizes a 4-wire header plug that can be attached as a solder down tap or as flying lead connection attached directly to header pins on the DUT. These probing techniques can be used for both USB 2.0 compliant electrical links or low/full speed Inter-chip links. The USB protocol traffic can be monitored (via the D+/D- wires) by attaching the probe to the "A" port of a Teledyne LeCroy USB analyzer.

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