参数资料
型号: PI7C7300DNAE
厂商: Pericom
文件页数: 30/107页
文件大小: 0K
描述: IC PCI-PCI BRIDGE 3PORT 272-BGA
标准包装: 40
系列: *
应用: *
接口: *
电源电压: *
封装/外壳: 272-BBGA
供应商设备封装: 272-PBGA(27x27)
包装: 管件
安装类型: 表面贴装
PI7C7300D
3-PORT PCI-TO-PCI BRIDGE
Page 29 of 107
Pericom Semiconductor
November 2005 - Revision 1.01
Table 4-5 shows the read pre-fetch address boundaries for read transactions during non-
flow-through mode.
Table 4-4 READ PREFETCH ADDRESS BOUNDARIES
Type of Transaction
Address Space
Cache
Line
Size
(CLS)
Prefetch
Aligned
Address
Boundary
Configuration Read
-
*
One DWORD (no prefetch)
I/O Read
-
*
One DWORD (no prefetch)
Memory Read
Non-Prefetchable
*
One DWORD (no prefetch)
Memory Read
Prefetchable
CLS = 0 or 16
16-DWORD aligned address
boundary
Memory Read
Prefetchable
CLS = 1, 2, 4, 8, 16
Cache line address boundary
Memory Read Line
-
CLS = 0 or 16
16-DWORD aligned address
boundary
Memory Read Line
-
CLS = 1, 2, 4, 8, 16
Cache line boundary
Memory Read Multiple
-
CLS = 0 or 16
32-DWORD aligned address
boundary
Memory Read Multiple
-
CLS = 1, 2, 4, 8, 16
2X of cache line boundary
- does not matter if it is prefetchable or non-prefetchable
* don’t care
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