參數(shù)資料
型號(hào)： 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(yè)數(shù)： 56/77頁(yè)
文件大小： 603K
代理商： PI7C21P100NH
PI7C21P100
2-PORT PCI-X BRIDGE
ADVANCE INFORMATION
Page 56 of 77
June 10, 2005 Revision 1.06
8.1.43
PRIMARY RETRY COUNTER REGISTER – OFFSET 60h
BIT
FUNCTION
TYPE
31
2G Retry Count Control
RW
DESCRIPTION
2G Retry Count Control
1:
Designates 2G retries before expiration
Reset to 0
Reserved.
Returns 000000 when read.
16M Retry Count Control
1:
Designates 16M retries before expiration.
Reset to 0
Reserved.
Returns 0000000 when read.
64K Retry Count Control
1:
Designates 64K retries before expiration.
Reset to 0
Reserved.
Returns 0000000 when read.
256 Retry Count Control
1:
Designates 256 retries before expiration.
Reset to 0
Reserved.
Returns 00000000 when read.
30:25
24
RESERVED
16M Retry Count
Control
RO
RW
23:17
16
RESERVED
64K Retry Count
Control
RO
RW
15:9
8
RESERVED
256 Retry Count
Control
RO
RW
7:0
The below settings are the only allowed values. Other settings are not valid and will result in
smaller retry counts. When the counter expires, the bridge discards the requested transaction
on the primary bus and issues SERR# on the primary bus if enabled.
0000 0000: No expiration limit
8000 0000: Allow 2G retries before expiration
0100 0000: Allow 16M retries before expiration
0001 0000: Allow 64K retries before expiration
0000 0100: Allow 256 retries before expiration
RESERVED
RO
8.1.44
SECONDARY RETRY COUNTER REGISTER – OFFSET 64h
BIT
FUNCTION
TYPE
31
2G Retry Count Control
RW
DESCRIPTION
2G Retry Count Control
1:
Designates 2G retries before expiration
Reset to 0
Reserved.
Returns 000000 when read.
16M Retry Count Control
1:
Designates 16M retries before expiration.
Reset to 0
Reserved.
Returns 0000000 when read.
64K Retry Count Control
1:
Designates 64K retries before expiration.
Reset to 0
Reserved.
Returns 0000000 when read.
256 Retry Count Control
1:
Designates 256 retries before expiration.
Reset to 0
Reserved.
Returns 00000000 when read.
30:25
24
RESERVED
16M Retry Count
Control
RO
RW
23:17
16
RESERVED
64K Retry Count
Control
RO
RW
15:9
8
RESERVED
256 Retry Count
Control
RO
RW
7:0
The below settings are the only allowed values. Other settings are not valid and will result in
smaller retry counts. When the counter expires, the bridge discards the requested transaction
on the secondary bus and issues SERR# on the primary bus if enabled.
0000 0000: No expiration limit
8000 0000: Allow 2G retries before expiration
0100 0000: Allow 16M retries before expiration
0001 0000: Allow 64K retries before expiration
0000 0100: Allow 256 retries before expiration
RESERVED
RO
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PI7C21P100NHE 功能描述:外圍驅(qū)動(dòng)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(fēng)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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