7.2.1.1Intel® 31154 133 MHz PCI Bridge Embedded Application at 133 MHz
Figure 10 shows the 31154 application in a stand-alone embedded application. In this application the 31154 is shown driving a single PCI device. Table 15 shows the corresponding wiring lengths to use as a reference.
Figure 10. Embedded Intel® 31154 133 MHz PCI Bridge Design 133 MHz PCI-X Layout
| W1 | W2 |
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I/O Buffer | IDSEL |
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| W3 | W4 |
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Table 15. | Wiring Lengths for Embedded 133 MHz Design |
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| Lower AD Bus | Upper AD Bus |
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| Minimum | Maximum | Minimum | Maximum | ||
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| Length | Length | Length | Length |
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| W1 | 5.5 | 10.5 | 4.5 | 9.5 | inches |
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| W2 | 0.75 | 1.5 | 1.75 | 2.75 | inches |
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| W3 | 0.1 | 0.1 | – | – | inches |
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| W4 | 1.725 | 1.725 | – | – | inches |
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46 | Intel® 31154 133 MHz PCI Bridge Design Guide Design Guide |
