参数资料
| 型号： | PI7C8150BNDIE |
| 厂商： | Pericom |
| 文件页数： | 82/109页 |
| 文件大小： | 0K |
| 描述： | IC PCI-PCI BRIDGE ASYNC 256-PBGA |
| 标准包装： | 90 |
| 系列： | * |
| 应用： | * |
| 接口： | * |
| 电源电压： | * |
| 封装/外壳： | 256-BGA |
| 供应商设备封装： | 256-PBGA（17x17） |
| 包装： | 管件 |
| 安装类型： | 表面贴装 |
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PI7C8150B
ASYNCHRONOUS 2-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 74 of 109
April 2009 – Revision 1.08
P_CBE [3:0]
Command
Action
1010
Configuration Read
Type 0 Configuration Read:
If the bridge’s IDSEL line is asserted, perform function
decode and claim if target function is implemented.
Otherwise, ignore. If claimed, permit access to target
function’s configuration registers. Do not pass through
under any circumstances.
Type 1 Configuration Read:
1. If the target bus is the bridge’s secondary bus: claim and
pass through as a Type 0 Configuration Read.
2. If the target bus is a subordinate bus that exists behind the
bridge (but not equal to the secondary bus): claim and pass
through as a Type 1 Configuration Read.
3. Otherwise, ignore.
1011
Configuration Write
Type 0 Configuration Write: same as Configuration
Read.
Type 1 Configuration Write (not special cycle request):
1. If the target bus is the bridge’s secondary bus: claim and
pass through as a Type 0 Configuration Write
2. If the target bus is a subordinate bus that exists behind the
bridge (but not equal to the secondary bus): claim and pass
through unchanged as a Type 1 Configuration Write.
3. Otherwise, ignore.
Configuration Write as Special Cycle Request
(device = 1Fh, function = 7h)
1. If the target bus is the bridges secondary bus:
claim and pass through as a special cycle.
2. If the target bus is a subordinate bus that exists
behind the bridge (but not equal to the secondary
bus): claim and pass through unchanged as a type
1 Configuration Write.
3. Otherwise ignore
1100
Memory Read
Multiple
Same as Memory Read
1101
Dual Address Cycle
Supported
1110
Memory Read Line
Same as Memory Read
1111
Memory Write and
Invalidate
Same as Memory Read
13.2
SECONDARY INTERFACE
S_CBE[3:0]
Command
Action
0000
Interrupt
Acknowledge
Ignore
0001
Special Cycle
Do not claim. Ignore.
0010
I/O Read
Same as Primary Interface
0011
I/O Write
Same as I/O Read.
0100
Reserved
-----
0101
Reserved
-----
0110
Memory Read
Same as Primary Interface
0111
Memory Write
Same as Memory Read.
1000
Reserved
-----
1001
Reserved
-----
1010
Configuration Read
Ignore
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