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21150 参数 Datasheet PDF下载

21150图片预览
型号: 21150
PDF下载: 下载PDF文件 查看货源
内容描述: PCI至PCI桥接器 [PCI-to-PCI Bridge]
分类和应用: PC
文件页数/大小: 164 页 / 1342 K
品牌: INTEL [ INTEL CORPORATION ]
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21150
4.8
交易终止................................................ ..................................... 47
4.8.1主终端由21150发起......................................... .... 47
4.8.2主中止收到21150 ......................................... ............ 48
4.8.3目标终止由21150收到......................................... 50 ..
4.8.3.1延迟写入目标终止响应........................... 50
4.8.3.2发布的写入目标终止响应............................. 51
4.8.3.3延迟读目标终止响应........................... 51
4.8.4目标终止由21150发起......................................... .... 53
4.8.4.1目标重试............................................. ................................. 53
4.8.4.2目标断开............................................. ........................ 54
4.8.4.3目标中止............................................. ................................. 54
5.0
地址Decoding............................................................................................................ 55
5.1
5.2
地址Ranges.................................................................................................. 55
I / O地址解码............................................. ............................................ 55
5.2.1 I / O基址和限制地址寄存器....................................... ............ 56
5.2.2 ISA模式............................................. .................................................. 57
存储器地址译码方式............................................... .................................. 58
5.3.1内存映射I / O基址和限制地址寄存器....................... 59
5.3.2预取内存基址和限制地址寄存器...................... 60
5.3.3预取内存64位寻址寄存器................................ 61
显卡支持....................................................................................................... 62
5.4.1 VGA模式............................................. ................................................. 62
5.4.2 VGA史努比模式............................................ ...................................... 63
5.3
5.4
6.0
事务排序....................................................................................................... 65
6.1
6.2
6.3
6.4
通过订购规则规定的交易............................................. ............ 65
一般订购指南............................................... ............................... 66
排序规则................................................ .................................................. .. 66
数据同步................................................ .......................................... 68
7.0
错误处理.................................................................................................................. 69
7.1
7.2
地址奇偶错误............................................... ........................................... 69
数据校验Errors................................................................................................ 70
7.2.1配置写事务,以21150配置空间.......... 70
7.2.2读取事务............................................. .................................... 70
7.2.3延迟写入交易​​............................................ ....................... 71
7.2.4发布写事务............................................ ......................... 73
数据奇偶校验错误报告摘要............................................. ................... 74
系统错误( SERR # )报告........................................... ............................ 78
7.3
7.4
8.0
独家访问............................................................................................................. 81
8.1
8.2
8.3
并发锁................................................ ................................................ 81
获得跨越21150独家访问............................................ ....... 81
截至独占访问............................................... ..................................... 82
9.0
PCI总线Arbitration........................................................................................................... 85
9.1
9.2
主PCI总线仲裁.............................................. .................................. 85
二级PCI总线仲裁.............................................. ............................. 85
9.2.1辅助总线仲裁使用内部仲裁............................. 85
9.2.2辅助总线仲裁使用外部仲裁器............................. 87
iv
初步
数据表