Actel Silicon Explorer II, User Manual, Page: 18 / 42

Chapter 2: Silicon Explorer Software
12
the checksum in the Probe file by double-clicking the Checksum
button. Table 2-1 lists and explains the error messages.
To probe a node:
1. Select the desired signal from the tree by clicking the net
name (see Figure 2-1).
You can use the filter box to search nets
quickly. Use multiple wildcard characters (“*”) to restrict your
search.
2. Click the PRA or PRB button. Silicon Explorer II routes the
selected node to the probe pin and switches the corresponding
analyzer input to the probe connector. The Analyze module
displays the net name.
You can modify the tree information to reflect the design’s internal net
names or pin names by right-clicking the Nets icon and selecting either
Table 2-1. Checksum Error Messages
Error Message Explanation
Checksum: 383A vs. ????
Checksum is not readable because the probe
is disconnected or not powered.
Checksum: 383A vs. 0000
The checksum does not match the file.
or
The SDO/TDO probe-side pin is not properly
connected to the device. Please see Table 1-4
on page 6 for the proper connection.