CPCI 规范目录（中文）
1 概述.................................................................................................................................................................................1
1.1 CPCI 目标............................................................................................................................................................1
1.2 背景和术语..........................................................................................................................................................1
1.3 预期读者..............................................................................................................................................................1
1.4 CPCI 特性............................................................................................................................................................1
1.5 应用文献..............................................................................................................................................................1
1.6 管理......................................................................................................................................................................1
1.7 名字和标志的用法..............................................................................................................................................1
2 特性设置.........................................................................................................................................................................2
2.1 外形特征..............................................................................................................................................................2
2.2 连接器..................................................................................................................................................................3
2.3 模块化..................................................................................................................................................................4
2.4 热插拔功能..........................................................................................................................................................4
3 电气需求.........................................................................................................................................................................4
3.1 适配器设计准则..................................................................................................................................................4
3.1.1 退耦需求...................................................................................................................................................5
3.1.2 CPCI 附加信号.........................................................................................................................................5
3.1.3 CPCI 端接终端.........................................................................................................................................5
3.1.4 外围适配器信号端接长度.......................................................................................................................6
3.1.5 阻抗特性...................................................................................................................................................6
3.1.6 系统槽适配器信号端接长度...................................................................................................................6
3.1.7 外围适配器 PCI 时钟信号长度...............................................................................................................7
3.1.8 上拉定位...................................................................................................................................................7
3.1.9 适配板连接器屏蔽需求...........................................................................................................................7
3.2 背板设计准则......................................................................................................................................................7
3.2.1 阻抗特性...................................................................................................................................................8
3.2.2 8 插槽背板终端........................................................................................................................................8
3.2.3 信号环境...................................................................................................................................................8
3.2.4 IDSEL 板选信号分配...............................................................................................................................9
3.2.5 REQ＃/GNT＃信号线分配.....................................................................................................................9
3.2.6 PCI 中断绑定..........................................................................................................................................10
3.2.7 CPCI 附加信号.......................................................................................................................................11
3.2.8 电源分配.................................................................................................................................................13
3.2.9 电源去耦.................................................................................................................................................14
3.2.10 健全（Healthy＃）..............................................................................................................................14
3.3 33MHzPCI 时钟分配.........................................................................................................................................14
3.3.1 背板时钟线路设计准则.........................................................................................................................15
3.3.2 系统槽适配板时钟线路设计准则........................................................................................................15
3.4 64 位设计准则...................................................................................................................................................15
3.5 66MHz 电气需求...............................................................................................................................................17
3.5.1 66MHz 适配板设计准则........................................................................................................................17
3.5.2 66MHz 系统槽适配板设计准则...........................................................................................................17
3.5.3 66MHz 背板设计准则............................................................................................................................17
3.5.4 66MHzPCI 时钟分配.............................................................................................................................17
3.5.5 66MHz 系统槽适配板时钟线设计准则...............................................................................................18
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