Teledyne LeCroy Serial Data Debug Solutions - Manual (Page 14)

Serial Data Debug Solutions
14 919586 RevA
Some oscilloscope models also allow you to access the Serial Decode dialog the following ways:

Touch the grid display of a Channel, Memory, or Math trace and a pop-up dialog shows a Decode Setup...
shortcut if available on your instrument model. Touch this shortcut.

Press the Decode front panel button if available on your instrument model. The Serial Decode dialog is
then shown on the screen.
Use any of the aforementioned methods to access the main Serial Decode... dialog is shown.
T RIGGERS
Triggers are accessed by touching Trigger → Trigger Setup... from the menu bar. Alternatively, you can also
touch the Trigger trace descriptor label.
Note: Some oscilloscope models may also have a Trigger front panel button which shows the main Serial
Decode dialog when pressed.
Use your preferred method to access the main Trigger dialog.
Using The D Supported Protocol Toolsets
The main Serial Decode dialog acts as a summary page for your decode settings.
M AIN S ERIAL D ECODE D IALOG
There are four independent decoders. A user can operate up to four at a single time, although limitations may
occur with regard to how the numbers of channels are accommodated at one time. Practically speaking, if a user
decodes signals with a clock and data line (and perhaps also a chip select or other third line), then two
simultaneous decodes is the maximum number using the LeCroy oscilloscope analog channels. The addition of
the MS-250 or MS-500 Mixed Signal Oscilloscope options allow usage of digital lines for trigger and decoding,
which preserves analog channels for other uses. Contact your local LeCroy sales office for more information
about this option.
Numbered labels on this screen-shot correspond with the following explanations.
1. Decode - Mark or un-mark this checkbox to quickly enable or disable decoded signals.
2. Turn All Off - This button is provided for a convenient way to instantly disable all the decoded signals.
3. Protocol - Touch this field and select a desired protocol from the ones you have installed on your
instrument.
4. Source - Select which signal source to which you wish to apply your selected protocol.
5. Data and Clock Selection - These controls are available for certain protocols and provide pop-up channel
or source selections for the corresponding decode. Some protocols may require a third selection (for
instance,
SPI also requires a Chip or Slave Selection). Asynchronous protocols, such as UART , RS-232 ,
CAN , LIN , FlexRay , and most high-speed serial data signals only require a single source.
6. Setup - Use this button to quickly access the corresponding detailed Decode Setup dialog for the
particular protocol selected.
7. Search - Use this button to quickly create a Zoom of the corresponding decoded signal. The right-hand
dialog of this Zoom provides search capabilities for the decode signal.
8. Link To Trigger - Mark or un-mark this checkbox to quickly tie the decoded signal to an additional Trigger
setup. This provides a faster, easier setup where the trigger is set similar as the decoder.