Chapter 10 189
Scan test
Running the est GUI
Clocks button
Clicking the Clocks button opens pop-up menu with four selections:
• Upper—Sets the upper limit of the system clocks.
• Nominal—Sets the system clocks to their nominal values.
• External—Selects an external clock from the ECUB.
• Status—Displays the current settings of the power supply voltages
(upper, normal, or lower). When this option is invoked, it displays
both the clock and power supplies settings.
Details button
Clicking the Details button opens a pop-up menu with seven selections:
• P/F Each Pattern—Displays the number and the results of each
pattern in the test.
• Test File Msgs—Prints the pattern file, both instructions and data.
This option is primarily used for troubleshooting est.
• Show Scan Instr—Displays the instruction portion of the scan packet.
This option is primarily used for troubleshooting est.
• Show Scan Data—Displays the data portion of the scan packet.This
option is primarily used for troubleshooting est.
• Show SDP Data—Displays the scan data protocol portion of the scan
packet. This option is primarily used for troubleshooting est.
• Show GUI Commands—Displays each command in the main window
pane. This option is useful for writing test scripts.
• Enable GUI Commands—Toggles between enabling and disabling
GUI commands. This option is used with the Show GUI option to
assist in writing test scripts.
Misc. button
Clicking the Misc. button opens pop-up menu with nine selections:
• Goto Safe State—Places the system hardware in a safe state
• Verify Config—Compares returned test scan data from the JTAG
interface against the configuration file.
