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| Preface: About This Guide | |
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| Convention | Meaning or Use | Example |
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| References to other manuals | See the User Guide for details. |
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| If a wire is drawn so that it | |
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| Emphasis in text | overlaps the pin of a symbol, |
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| the two nets are not connected. |
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| <text in brackets> | <component_name> | |
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| directory names. | ||
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| Dark Shading | Items that are not supported | Unsupported feature |
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| or reserved | ||
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| An optional entry or | ngdbuild [option_name] |
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| Square brackets [ ] | parameter. However, in bus | |
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| specifications, such as | design_name |
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| bus[7:0], they are required. |
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| Braces { } | A list of items from which you | lowpwr ={onoff} |
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| must choose one or more | ||
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| Vertical bar | Separates items in a list of | lowpwr ={onoff} |
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| choices | ||
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| IOB #1: Name = QOUT’ |
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| Repetitive material that has | IOB #2: Name = CLKIN’ | |
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| Horizontal ellipsis . . . | Omitted repetitive material | allow block block_name |
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| loc1 loc2 ... locn; |
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| The prefix ‘0x’ or the suffix ‘h’ | A read of address 0x00112975 |
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| Notations | indicate hexadecimal notation | returned 45524943h. |
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| An ‘_n’ means the signal is | usr_teof_n is active low. | |
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| active low | |
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Online Document
The following linking conventions are used in this document:
Convention | Meaning or Use | Example | |
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| See the section “Additional | ||
| Resources” for details. | ||
Blue text | location in the current | ||
See “Title Formats” in Chapter | |||
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| 1 for details. | ||
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Blue, underlined text | Hyperlink to a website (URL) | Go to www.xilinx.com for the | |
latest speed files. | |||
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6 | www.xilinx.com | Endpoint Block Plus v1.8 for PCI Express |
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| UG343 June 27, 2008 |
