Oscilloscope Write Test - Agilent Technologies E5900B User Manual

Chapter 9: Testing Target System Memory
Memory Test Patterns
line interface see page 88.

Oscilloscope Write test

How the Oscilloscope Write test works
This test repetitively writes your selected Pattern to the Memory Range for
the number of Repetitions specified, typically continuously until cancelled.
If your pattern is larger than the access size, it will be truncated to fit. If your
pattern is smaller than the access size, it will be zero-padded to fit.
This test does not generate error messages for unsuccessful write
transactions, such as writes to ROM. This test is usually used to perform
timing analysis on target system memory.
If desired, you can open a memory window in the logic analyzer and view the
memory where the pattern was written. If the memory is ROM or if it contains
errors, it may not contain the pattern that was written.
Instructions for using the Oscilloscope Write test
Connect your oscilloscope to view signals on the lines to be tested. These will
be the signals generated to perform write transactions to the memory in your
target system.
When you have finished using your oscilloscope to view the write-to-memory
signals:
• If you are using a 16700 logic analysis system, select the Cancel button in
the Busy dialog box.
• If you are using the command line interface, press Ctrl+C.
You will see an error message if your test attempts to write to memory
addresses outside the range of available memory.
For help about performing a specific memory test using the Agilent 16700-
series logic analysis system, see page 95.
To use the Oscilloscope Write test from the command line interface, enter
mtest ow <parameters>. To see a list of the required parameters, enter
? mtest ow.
For general instructions on using the command line interface see page 88.
Agilent Technologies Emulation for the PowerPC 400/600/700 109