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PI7C7100
3-Port
PCI桥接器
百利通半导体公司
完整的接口解决方案
2380白令车道,圣何塞,加利福尼亚州95131
电话: 1-877 - PERICOM , ( 1-877-737-4266 )
传真: ( 408 ) 435-1100 ,电子邮件: nolimits@pericom.com
互联网: http://www.pericom.com
2000百利通半导体公司
05/08/00
超前信息
65432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
65432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI7C7100
3端口PCI桥
生命支持政策
百利通半导体公司?的产品不得用于生命支持设备或使用的关键部件
除非有明确的书面协议,系统属于这种预期用途的制造商和之间执行
官PSC的。
1.Life支持设备或系统的设备或系统,其中:
a)打算通过外科手术移植到体内或
b)支持或维持生命,其不履行,正确的使用符合规定的使用说明
在标签,可以合理预期造成显著伤害到用户。
2.关键部件是在生命支持设备或系统,其不履行可以合理的任何组件
预期造成的生命支持设备或系统的故障,或者影响其安全性或effectiveness.Pericom半导体
公司保留随时修改其产品或技术规格之权利,恕不另行通知,以提高
设计或性能,并提供最好的产品。百利通半导体公司不承担任何责任
使用任何电路的描述不是体现在百利通半导体产品的电路等。该公司生产的
任何陈述,此处所描述的电路不受侵犯专利或其它第三方权利的可能
导致其使用。没有获发牌照百利通的暗示或其他任何专利,专利权或其他权利,
半导体公司。
所有其他商标均为其各自公司的。
ii
05/08/00
超前信息
765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI7C7100
3端口PCI桥
目录
1.
2.
3.
3.1
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
4.
4.1
4.2
4.3
4.4
4.5
4.5.1
4.5.2
4.5.3
4.5.4
4.5.5
4.5.6
4.6
4.6.1
4.6.2
4.6.3
4.6.4
4.6.5
4.6.6
4.7
4.7.1
4.7.2
4.7.3
4.7.4
4.8
4.8.1
4.8.2
4.8.3
4.8.4
简介/产品特点
............................................................................................................................... 1
PI7C7100框图
...................................................................................................................................... 3
信号定义
................................................................................................................................................... 4
信号类型............................................................................................................................................................ 4
信号...................................................................................................................................................................... 4
主总线接口信号.................................................................................................................................. 4
二级总线接口信号............................................................................................................................. 6
时钟信号............................................................................................................................................................ 8
其他信号............................................................................................................................................. 8
JTAG边界扫描信号.................................................................................................................................. 9
电源和接地.................................................................................................................................................... 9
PCI总线操作
................................................................................................................................................ 10
交易类型........................................................................................................................................... 10
单地址相............................................................................................................................................ 11
设备选择( DEVSEL # )生成.................................................................................................................... 11
数据阶段............................................................................................................................................................. 11
写事务................................................................................................................................................ 11
发表于写事务.................................................................................................................................... 11
存储器写和禁止交易.......................................................................................................... 12
延迟写入交易.................................................................................................................................. 12
写事务地址边界................................................................................................................ 13
多重缓冲写入事务.................................................................................................................. 13
快速回至回写事务.................................................................................................................. 13
阅读交易................................................................................................................................................. 14
预取读取事务............................................................................................................................ 14
非预取读取事务.................................................................................................................... 14
读预取地址边界...................................................................................................................... 14
延迟的读请求......................................................................................................................................... 15
延迟读取完成与目标.................................................................................................................. 15
在发起总线延迟读取完成........................................................................................................... 15
配置交易................................................................................................................................... 16
键入0访问PI7C7100 ................................................................................................................................... 16
类型1到类型0转换................................................................................................................................ 17
类型1至类型1转发................................................................................................................................ 18
特殊循环........................................................................................................................................................ 19
交易终止........................................................................................................................................ 19
主终端所PI7C7100启动............................................................................................................ 20
硕士中止接收由PI7C7100 ..................................................................................................................... 20
目标终止接收由PI7C7100 ............................................................................................................ 21
目标终止了PI7C7100启动............................................................................................................. 23
iii
05/08/00
超前信息
65432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
65432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI7C7100
3端口PCI桥
5.
5.1
5.2
5.2.1
5.2.2
5.3
5.3.1
5.3.2
5.4
5.4.1
5.4.2
6.
6.1
6.2
6.3
6.4
7.
7.1
7.2
7.2.1
7.2.2
7.2.3
7.2.4
7.3
7.4
8.
8.1
8.2
8.3
9.
9.1
9.2
9.2.1
9.2.2
9.2.3
10.
10.1
10.2
11.
11.1
11.2
11.3
12.
12.1
12.2
13.
13.1
13.2
地址译码
.................................................................................................................................................. 25
地址范围..................................................................................................................................................... 25
I / O地址解码........................................................................................................................................... 25
I / O基址和限制地址寄存器................................................................................................................... 25
ISA模式............................................................................................................................................................... 26
内存地址解码................................................................................................................................... 26
内存映射I / O基址和限制地址寄存器....................................... ............................................... 26
预取内存基址和限制地址寄存器........................................... ........................................... 27
显卡支持.......................................................................................................................................................... 28
VGA模式............................................................................................................................................................. 28
VGA史努比模式.................................................................................................................................................. 28
事务排序
........................................................................................................................................... 29
通过订购规则规定的交易........................................................................................................... 29
一般订购指南.................................................................................................................................. 29
排序规则.......................................................................................................................................................三十
数据同步............................................................................................................................................. 31
错误处理
...................................................................................................................................................... 32
地址奇偶校验错误............................................................................................................................................. 32
数据奇偶校验错误................................................................................................................................................... 32
配置写事务来配置空间............................................ ....................................... 32
阅读交易................................................................................................................................................. 33
延迟写入交易.................................................................................................................................. 33
发表于写事务.................................................................................................................................... 35
数据奇偶校验错误报告摘要.................................................................................................................... 36
系统错误( SERR # )报告........................................................................................................................... 42
独家访问
................................................................................................................................................... 43
并发锁................................................................................................................................................... 43
获得跨PI7C7100独占访问....................................................................................................... 43
截至独家访问....................................................................................................................................... 44
PCI总线仲裁
.............................................................................................................................................. 45
主PCI总线仲裁................................................................................................................................... 45
二级PCI总线仲裁............................................................................................................................. 45
二级总线仲裁使用内部仲裁........................................... ............................................... 45
二级总线仲裁使用外部仲裁者........................................... ................................................ 46
巴士停车场............................................................................................................................................................ 46
.................................................................................................................................................................... 47
主时钟输入.............................................................................................................................................. 47
二级时钟输出...................................................................................................................................... 47
RESET
...................................................................................................................................................................... 48
主界面重置.......................................................................................................................................... 48
辅助接口复位..................................................................................................................................... 48
芯片复位.............................................................................................................................................................. 48
支持的命令
............................................................................................................................................ 49
主界面.................................................................................................................................................... 49
辅助接口............................................................................................................................................... 51
配置寄存器
....................................................................................................................................... 52
配置寄存器1 .................................................................................................................................................... 52
配置寄存器2 .................................................................................................................................................... 53
iv
05/08/00
超前信息
765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI7C7100
3端口PCI桥
13.2.1
13.2.2
13.2.3
13.2.4
13.2.5
13.2.6
13.2.7
13.2.8
13.2.9
13.2.10
13.2.11
13.2.12
13.2.13
13.2.14
13.2.15
13.2.16
13.2.17
13.2.18
13.2.19
13.2.20
13.2.21
13.2.22
13.2.23
13.2.24
13.2.25
13.2.26
13.2.27
13.2.28
13.2.29
13.2.30
13.2.31
13.2.32
13.2.33
13.2.34
13.2.35
13.2.36
13.2.37
13.2.38
13.2.39
13.2.40
13.2.41
13.2.42
13.2.43
13.2.44
13.2.45
13.2.46
13.2.47
13.2.48
13.2.49
13.2.50
配置寄存器1或2 :供应商ID寄存器(只读,位15-0 ;偏移00H ) ............................. ............................. 54
配置寄存器1:器件ID寄存器(只读,位31-16 ;偏移00H ) ............................... ................................ 54
配置寄存器2 :设备ID寄存器(只读,位31-16 ;偏移00H ) ............................... ................................ 54
配置寄存器1 :命令寄存器(位15-0 ;偏移04H ) ................................... ............................................... 54
配置寄存器2 :命令寄存器(位15-0 ;偏移04H ) ................................... ............................................... 55
配置寄存器1或2 :状态寄存器(用于主总线,位31-16 ;偏移04H ) ............................. ........................ 56
配置寄存器1或2 :修订ID寄存器(只读, 7-0位;偏移08H ) ............................. ............................ 57
配置寄存器1或2 :类代码寄存器(只读,位31-8 ;偏移08H ) ............................. ........................... 57
配置寄存器1或2 :缓存行大小寄存器(读/写,位7-0 ;偏移0CH ) ........................... ...................... 57
配置寄存器1 :初级延时定时器寄存器(读/写,位15-8 ;偏移0CH ) ............................. ............... 57
配置寄存器2 :初级延时定时器寄存器(读/写,位15-8 ;偏移0CH ) ............................. ............... 57
配置寄存器1 :头型寄存器(只读,位23-16 ;偏移0CH ) ............................... ........................... 57
配置寄存器2 :头型寄存器(只读,位23-16 ;偏移0CH ) ............................... ........................... 57
配置寄存器1 :主总线数寄存器(读/写,位7-0 ;偏移18H) ............................. .................... 57
配置寄存器2 :主总线数寄存器(读/写,位7-0 ;偏移18H) ............................. .................... 57
配置寄存器1或2 :辅助总线数寄存器(读/写,位15-8 ;偏移18H) ........................... ........ 57
配置寄存器1或2 :从属总线数寄存器(读/写,位23-16 ;偏移18H) ........................... .... 57
配置寄存器1或2 :二次延时定时器(读/写,位31-24 ;偏移18H) ............................ ................ 57
配置寄存器1或2 : I / O基址寄存器(读/写,位7-0 ;代上抵消) .......................... .................................. 57
配置寄存器1或2 : I / O限制寄存器(读/写,位15-8 ;代上抵消) .......................... ................................. 57
配置寄存器1或2 :辅助状态寄存器(位31-16 ;代上抵消) ................................ ............................ 58
配置寄存器1或2 :内存基址寄存器(读/写,位15-0 ;偏移20H ) ............................ ....................... 59
配置寄存器1或2 :内存限制寄存器(读/写,位31:16 ;偏移20H ) ............................ ..................... 59
配置寄存器1或2 :预取内存基址寄存器(读/写,位15-0 ;偏移24H) ........................... .... 59
配置寄存器1或2 :预取内存限制寄存器(读/写,位31-16 ;偏移24H) ........................... 59
配置寄存器1或2 : I / O基地址高16位寄存器(读/写,位15-0 ;偏移30H) ...................... 59
配置寄存器1或2 : I / O地址限高16位寄存器(读/写,位31-16 ;偏移30H) .................... 59
配置寄存器1或2 :子系统供应商ID (读/写,位15-0 ;偏移34H ) ............................ ........................ 59
配置寄存器1或2 :子系统ID (读/写,位31-16 ;偏移34H ) ............................. .................................. 59
配置寄存器1或2 :中断管脚寄存器(只读,位15-8 ;偏置三通遥控) ............................. ........................ 59
配置寄存器1或2 :桥控制寄存器(位31-16 ;偏置三通遥控) ................................ ................................. 60
配置寄存器1或2 :诊断/芯片控制寄存器(位15-0 ;偏移40H ) .............................. ...................... 61
配置寄存器1或2 :仲裁控制寄存器(位31-16 ;偏移40H ) ................................ ................................. 61
配置寄存器1 :主预取内存基址寄存器(读/写,位15-0 ;偏移44H ) ..................... 62
配置寄存器2 :初级预取内存基址寄存器(读/写,位15-0 ;偏移44H ) ..................... 62
配置寄存器1 :主预取内存限制寄存器(读/写,位31-16 ;偏移44H ) .................... 62
配置寄存器2 :初级预取内存限制寄存器(读/写,位31-16 ;偏移44H ) .................... 62
配置寄存器1或2 : P_SERR #事件禁用寄存器( 7-0位;偏移64H ) .............................. ........................ 62
配置寄存器1 :辅助时钟控制寄存器(位15-0 ;偏移68H ) ................................. ......................... 63
配置寄存器2 :辅助时钟控制寄存器(位15-0 ;偏移68H ) ................................. ......................... 63
配置寄存器1或2 :不发布内存基址寄存器(读/写,位15-0 ;偏移70H ) ......................... ..... 64
配置寄存器1或2 :不发布内存限制寄存器(读/写,位31-16 ;偏移70H ) ......................... .... 64
配置寄存器1 :端口选项寄存器(位15-0 ;偏移74H ) ................................. ............................................. 64
配置寄存器2 :端口选项寄存器(位15-0 ;偏移74H ) ................................. ............................................. 65
配置寄存器1或2 :主超时计数器寄存器(读/写,位31-16 ;偏移74H ) ........................... ..... 66
配置寄存器1或2 :重试计数器寄存器(读/写,位31-0 ;偏移78H ) ............................ ...................... 66
配置寄存器1或2 :采样定时器寄存器(读/写,位31-0 ;胶印7CH ) ............................ .................... 66
配置寄存器1或2 :成功的I / O读取计数寄存器(读/写,位31-0 ;偏移80H ) ........................ ..... 66
配置寄存器1或2 :成功的I / O写入计数寄存器(读/写,位31-0 ;偏移84H ) ........................ ..... 66
配置寄存器1或2 :成功的内存读取计数寄存器(读/写,位31-0 ;偏移88H ) ..................... 66
v
05/08/00
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