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參數(shù)資料
| 型號： | PI7C21P100NH |
| 廠商： | Pericom Semiconductor Corp. |
| 英文描述： | 2-PORT PCI-X BRIDGE |
| 中文描述： | 2端口PCI - X橋接 |
| 文件頁數(shù)： | 57/77頁 |
| 文件大?。?/td> | 603K |
| 代理商： | PI7C21P100NH |
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PI7C21P100
2-PORT PCI-X BRIDGE
ADVANCE INFORMATION
Page 57 of 77
June 10, 2005 Revision 1.06
8.1.45
DISCARD TIMER CONTROL REGISTER – OFFSET 68h
BIT
FUNCTION
TYPE
7:4
RESERVED
RO
3
Primary Discard Timer
Short Duration
DESCRIPTION
Reserved.
Returns 0000 when read.
Primary Discard Timer Short Duration
0:
Use bit[24] offset 3Ch of the bridge control register to indicate
how many PCI clocks should be allowed before the primary discard
timer expires.
1:
64 PCI clocks allowed before the discard time expires.
Reset to 0
Secondary Discard Timer Short Duration
0:
Use bit[25] offset 3Ch of the bridge control register to indicate
how many PCI clocks should be allowed before the secondary
discard timer expires.
1:
64 PCI clocks allowed before the secondary discard timer expires.
Reset to 0
Primary Discard Timer Disable
0:
Enable the primary discard timer in conjunction with bit[27] offset
3Ch of the bridge control register
1:
Disable the primary discard timer in conjunction with bit[27]
offset 3Ch of the bridge control register
Reset to 0
Secondary Discard Timer Disable
0:
Enable the secondary discard timer in conjunction with bit[27]
offset 3Ch of the bridge control register
1:
Disable the secondary discard timer in conjunction with bit[27]
offset 3Ch of the bridge control register
Reset to 0
RW
2
Secondary Discard
Timer Short Duration
RW
1
Primary Discard Timer
Disable
RW
0
Secondary Discard
Timer Disable
RW
8.1.46
RETRY AND TIMER STATUS REGISTER – OFFSET 6Ch
BIT
FUNCTION
TYPE
7:4
RESERVED
RO
3
Primary Discard Timer
Status
DESCRIPTION
Reserved.
Returns 0000 when read.
Primary Discard Timer Status
0:
The primary discard timer has not expired since the last reset.
1:
The primary discard timer has expired since the last reset.
Reset to 0
Secondary Discard Timer Status
0:
The secondary discard timer has not expired since the last reset.
1:
The secondary discard timer has expired since the last reset.
Reset to 0
Primary Retry Counter Status
0:
The primary retry counter has not expired since the last request.
1:
The primary retry counter has expired since the last request.
Reset to 0.
Secondary Retry Counter Status
0:
The secondary retry counter has not expired since the last request.
1:
The secondary retry counter has expired since the last request.
Reset to 0.
RW
2
Secondary Discard
Timer Status
RW
1
Primary Retry Counter
Status
RW
0
Secondary Retry
Counter Status
RW
8.1.47
OPAQUE MEMORY ENABLE REGISTER – OFFSET 70h
BIT
FUNCTION
TYPE
7:1
RESERVED
RO
0
Opaque Memory Enable
RW
DESCRIPTION
Reserved.
Returns 0000000 when read.
Opaque Memory Enable
0:
Disable the opaque memory address range if OPAQUE_EN=0.
1:
Enable the opaque memory address range if OPAQUE_EN=1.
Reset to the value of OPAQUE_EN during reset.
相關PDF資料 |
PDF描述 |
|---|---|
| PI7C7100BNA | PCI Bus Interface/Controller |
| PI7C7100 | 3-Port PCI Bridge |
| PI7C7100CNA | 3-Port PCI Bridge |
| PI7C7300 | 3-PORT PCI-to-PCI BRIDGE |
| PI7C7300A | 3-PORT PCI-to-PCI BRIDGE |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PI7C21P100NHE | 功能描述:外圍驅(qū)動器與原件 - PCI 3 Port PCI Bridge RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| PI7C4025TRF4 | 制造商:Pericom Semiconductor Corporation 功能描述: |
| PI7C7100 | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:3-Port PCI Bridge |
| PI7C7100BNA | 制造商:Pericom Semiconductor Corporation 功能描述:3 PORT PCI TO PCI |
| PI7C7100CNA | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:3-Port PCI Bridge |
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