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參數(shù)資料
| 型號： | PI7C8150 |
| 英文描述： | PCI Bridge | 2-Port PCI-to-PCI Bridge |
| 中文描述： | PCI橋| 2端口PCI至PCI橋 |
| 文件頁數(shù)： | 90/115頁 |
| 文件大?。?/td> | 879K |
| 代理商： | PI7C8150 |
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PI7C8150B
2-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 90 of 115
July 31, 2003 – Revision 1.031
Bit
22
Function
Secondary
Interface Reset
Type
R/W
Description
Controls the assertion of S_RESET_L signal pin on the secondary
interface
0: does not force the assertion of S_RESET_L pin
1: forces the assertion of S_RESET_L
Reset to 0
Controls bridge’s ability to generate fast back-to-back transactions to
different devices on the secondary interface.
0: does not allow fast back-to-back transactions
1: enables fast back-to-back transactions
Reset to 0
Set’s the maximum number of PCI clocks the bridge will wait for an
initiator on the primary to repeat a delayed transaction request. The
counter starts right after the delayed transaction is at the front of the
queue. If the master has not repeated at least once before the counter
expires, the bridge discards the transaction from the queue.
0: 2
15
PCI clocks
1: 2
10
PCI clocks
Reset to 0
Set’s the maximum number of PCI clocks the bridge will wait for an
initiator on the secondary to repeat a delayed transaction request. The
counter starts right after the delayed transaction is at the front of the
queue. If the master has not repeated at least once before the counter
expires, the bridge discards the transaction from the queue.
0: 2
15
PCI clocks
1: 2
10
PCI clocks
Reset to 0
This bit is set to 1 when either the primary master timeout counter or
secondary master timeout counter expires.
Reset to 0
This bit is set to 1 and P_SERR_L is asserted when either the
primary discard timer or the secondary discard timer expire.
Reset to 0
Reserved. Returns 0 when read. Reset to 0.
23
Fast Back-to-
Back Enable
R/W
24
Primary Master
Timeout
R/W
25
Secondary
Master Timeout
R/W
26
Master Timeout
Status
R/WC
27
Discard Timer
P_SERR_L
enable
R/W
31-28
Reserved
R/O
14.1.29
DIAGNOSTIC / CHIP CONTROL REGISTER – OFFSET 40h
Bit
0
1
Function
Reserved
Memory Write
Disconnect
Control
Type
R/O
R/W
Description
Reserved. Returns 0 when read. Reset to 0
Controls when the bridge (as a target) disconnects memory write
transactions.
0: memory write disconnects at 4KB aligned address boundary
1: memory write disconnects at cache line aligned address boundary
Reset to 0
Reserved. Returns 0 when read. Reset to 0.
3:2
Reserved
R/O
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PI7C8150-33 | PCI Bridge | 2-Port PCI-to-PCI Bridge |
| PI7C8150A | PCI Bridge | 2-Port PCI-to-PCI Bridge |
| PI7C8150A-33 | PCI Bridge | 2-Port PCI-to-PCI Bridge |
| PI7C8150B | PCI Bridge | Asynchronous 2-Port PCI Bridge |
| PI7C8152A | ENHANCED 2- PORT TO PCI BRIDGE INTEL 21152 COMPORISON |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI7C8150-33 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCI Bridge | 2-Port PCI-to-PCI Bridge |
| PI7C8150A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCI Bridge | 2-Port PCI-to-PCI Bridge |
| PI7C8150A-33 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCI Bridge | 2-Port PCI-to-PCI Bridge |
| PI7C8150AMA | 制造商:Pericom Semiconductor Corporation 功能描述:PCI to PCI Bridge 208-Pin FQFP |
| PI7C8150AMA-33 | 制造商:Pericom Semiconductor Corporation 功能描述:PCI-to-PCI Bridge 208-Pin FQFP |
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