Teledyne LeCroy Detective - Users Manual - Manual (Page 5)

CATC CATC Detective User’s Manual Version 2.21
Page 2
2. CATC DETECTIVE USB BUS & PROTOCOL ANALYZER
2.1 General
The CATC Detective USB Bus & Protocol Analyzer captures, analyzes, and saves USB traffic
data, based on a user-specified trigger signal, which can be supplied manually, programmatically,
or via external hardware.
The Detective USB analyzer is designed
to turn a 386/486 or Pentium class PC
into a USB test station. The PC itself does
not need to have a USB interface. The
Detective package includes an add-in ISA
card, an external Detective Probe, USB
and Probe cables, an external trigger cable
set, a sophisticated software program
running under Microsoft Windows (3.1,
95, and NT versions), and comprehensive
product documentation (including on-line
help).
The Detective analyzer uses an external
high impedance USB Probe to connect to
and monitor the two USB wires (D+ and
D-); it translates the raw differential data into a single NRZI bit stream, samples the data with the
recovered synchronized clock, and stores the resulting bit stream on disk. The analyzer
also
detects and reports the static bus conditions Suspend, Resume, Reset, and Idle.
The Detective software scans the collected data and displays it in several meaningful formats.
The user can view the data as a continuous stream, or as complete transactions. In continuous
mode, the analyzer fills the entire display line with data; in transaction mode, each line is
dedicated to one bus transaction, such as token, data, or handshake.
The Detective software provides a powerful search function that enables investigation of
particular bus events, with the software identifying and highlighting specific events such as Bad
PID, Undefined PID, Bad CRC, Bad Stuffing Bits, Missing Frames, etc.
In addition to immediate analysis, the user can print any part of the data and save all or selected
portions of the data on disk for later viewing. The program also provides a variety of timing
information.
The Detective USB analyzer comes with a one year warranty and hot-line customer support.
2.2 CATC Detective System Components
The CATC Detective package includes the following components:
•
a CATC Detective ISA add-in card for the PC (approximately 4.2
×
7-inch printed circuit
board with a DB15 connector in a mounting bracket on the side)
•
an external, non-intrusive USB Detective Probe (approximately 4.5
Ч
2.5
Ч
1.5-inch box with a
DB15 connector and two USB connectors)
Detective
USB Analyzer
System
USB Test
Probe
USB System
Under Test
CATC