Texas Instruments XIO3130 EVM - Manual (Page 14)

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Using the TopHAT Utility www.ti.com
Figure 1-17. PCI Registers
Any bit in the PCI configuration space can be modified using the PCI Registers dialog box. A new value
can be directly typed into the “New Value” edit box or entered by pressing any of the bit numbers below
the edit box. The new register value will not be written until the “Write” button is pressed. Note that by
hovering the cursor over the bit numbers a description for the bit appears.
TopHat has many other features. One useful feature is to rescan the PCI bus. For example, while testing
hot plug a user might remove one endpoint device and replace it with another. By pressing the rescan
button, the new device will now be present the PCI hierarchy. To rescan the PCI bus, press the
magnifying glass below the toolbar.
Figure 1-18. TopHAT Features
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XIO3130 EVM 14 SLLU108 – July 2008
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