36
Chapter 2: Task Guide
Choosing the Sampling Mode
Choosing the Sampling Mode
There are two logic analyzer sampling modes to choose from:
timing
mode
and
state mode
.
In
timing mode
, the logic analyzer samples asynchronously, based on
an internal sampling clock signal.
In
state mode
, the logic analyzer samples synchronously, based on a
sampling clock signal (or signals) from the device under test. Typically,
the signal used for sampling in state mode is a state machine or
microprocessor clock signal.
•
“Selecting the Timing Mode (Asynchronous Sampling)” on page 36
•
“Selecting the State Mode (Synchronous Sampling)” on page 39
•
“In Either Timing Mode or State Mode” on page 48
•
“Using 2 GHz Timing Zoom” on page 50
Selecting the Timing Mode (Asynchronous
Sampling)
In
timing mode
, the logic analyzer samples asynchronously, based on
an internal sampling clock signal.
•
“To select the timing mode” on page 36
•
“To select the full/half channel configuration” on page 37
•
“To select transitional timing or store qualified” on page 69
•
“To specify the sample period” on page 38
To select the timing mode
1. Open the logic analyzer Setup window.
2. Select the Sampling tab.
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