文档名称：硬件原理图设计规范 文档范围：内部公开
目 录
硬件原理图设计规范.............................................................................................................................................1
第一部分 设计规范................................................................................................................................................6
1. 原理图制图规范.................................................................................................................................................6
2. 电路设计.............................................................................................................................................................8
2.1 通用要求...................................................................................................................................................8
2.2 逻辑器件应用...........................................................................................................................................9
2.3 时钟设计.................................................................................................................................................11
2.4 保护器件应用.........................................................................................................................................11
2.5 可编程逻辑器件.....................................................................................................................................12
2.6 电源设计.................................................................................................................................................13
2.7 其他应用经验.........................................................................................................................................14
3. 可靠性设计.......................................................................................................................................................16
4. 信号完整性/电源完整性设计..........................................................................................................................17
5. 系统相关设计...................................................................................................................................................17
6. 可生产性设计...................................................................................................................................................19
7. 可测试性设计...................................................................................................................................................19
7.1 JTAG........................................................................................................................................................19
7.2 测试点.....................................................................................................................................................20
7.3 电路可测试性.........................................................................................................................................20
7.4 系统可测试性.........................................................................................................................................20
第二部分 详细说明..............................................................................................................................................21
1. 原理图制图规范...............................................................................................................................................21
2. 电路设计...........................................................................................................................................................27
2.1 通用要求.................................................................................................................................................27
2.2 逻辑器件应用.........................................................................................................................................33
2.3 时钟设计.................................................................................................................................................43
2.4 保护器件应用.........................................................................................................................................48
2.5 可编程逻辑器件.....................................................................................................................................50
2.6 电源设计.................................................................................................................................................53
2.7 其他应用经验.........................................................................................................................................57
3. 可靠性设计.......................................................................................................................................................60
4. 信号完整性/电源完整性设计..........................................................................................................................61
5. 系统相关设计...................................................................................................................................................64
6. 可生产性设计...................................................................................................................................................68
7. 可测试性设计...................................................................................................................................................72
7.1 JTAG........................................................................................................................................................72
7.2 测试点.....................................................................................................................................................72
7.3 电路可测试性.........................................................................................................................................73
7.4 系统可测试性.........................................................................................................................................73
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