Lower-speed serial bus interfaces such as RS-232 and other UART (universal
asynchronous receive and transmit) interfaces are widely used today in
electronic designs. In many designs these serial buses tend to provide content-
rich points for debug and test. However, since these protocols transfer bits
serially, using a traditional oscilloscope has limitations. Manually converting
captured 1’s and 0’s to protocol requires significant effort, can’t be done in
real-time, and includes potential for human error. In addition, traditional scope
triggers are not sufficient for specifying protocol-level conditions.
Extend your scope capability with the Keysight Technologies, Inc. RS-232/UART
Triggering and Decode application. This application makes it easy to debug and
test designs that include RS-232/UART protocols using your Infiniium 90000
scope.
– Set up your scope to show RS-232/UART protocol decode in less than
30 seconds.
– Get access to a rich set of software-based protocol-level triggers.
– Save time and eliminate errors by viewing packets at the protocol level.
– Use time-correlated views to quickly troubleshoot serial protocol problems
back to their timing or signal integrity root cause.
Easily debug and test designs that include RS-232/UART
using your Infiniium 90000 scope
This application is available in the following license variations.
Easy to find
Turn decode on/off in the “Setup”
menu. View decode embedded
on the waveform display or in the
protocol viewer listing window.
(See pages 4-5).
30 Second RS-232/UART Setup
Configure your oscilloscope to display
protocol decode in under 30 seconds.
Use “Auto Setup” to automatically
configure sample rate, memory depth
and threshold and trigger levels.
Support for any analog channels
Acquire serial buses using any
combination of scope channels.
– Order N5462A for a user-installed license
– Order Option 001 for a factory-installed license with new
9000 Series oscilloscopes
– Order N5435A Option 031 for a server-based license
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