參數(shù)資料
型號(hào)： PI7C7300ANAE
廠商： Pericom
文件頁(yè)數(shù)： 102/109頁(yè)
文件大?。?/td> 0K
描述： IC PCI-PCI BRIDGE 3PORT 272-BGA
產(chǎn)品變化通告： Product Discontinuation 09/Dec/2010
標(biāo)準(zhǔn)包裝： 40
系列： *
應(yīng)用： *
接口： *
電源電壓： *
封裝/外殼： 272-BBGA
供應(yīng)商設(shè)備封裝： 272-PBGA（27x27）
包裝： 管件
安裝類型： 表面貼裝
PI7C7300A
3-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 92 OF 109
09/25/03 Revision 1.09
Bit
Function
Type
Description
19
LED ON/OFF
R/W
LOO signal (LED on/off)
0: LED on
1: LED off
Reset to 0
21:20
Not Available
R/O
Not Used. Returns 0 when read. Reset to 0
22
ENUM# Status –
Extraction
R/W
0: ENUM# asserted
1: ENUM# not asserted
Reset to 0
23
ENUM# Status –
Insertion
R/W
0: ENUM# asserted
1: ENUM# not asserted
Reset to 0
31:24
Reserved
R/O
Reserved. Returns 0 when read. Reset to 0
15
BRIDGE BEHAVIOR
A PCI cycle is initiated by asserting the FRAME# signal. In a bridge, there are a number
of possibilities. Those possibilities are summarized in the table below:
15.1
BRIDGE ACTIONS FOR VARIOUS CYCLE TYPES
Initiator
Target
Response
Master on Primary
Target on Primary
PI7C7300A does not respond. It detects
this situation by decoding the address as
well as monitoring the P_DEVSEL# for
other fast and medium devices on the
Primary Port.
Master on Primary
Target on Secondary
PI7C7300A asserts P_DEVSEL#,
terminates the cycle normally if it is able
to be posted, otherwise return with a retry.
It then passes the cycle to the appropriate
port. When the cycle is complete on the
target port, it will wait for the initiator to
repeat the same cycle and end with normal
termination.
Master on Primary
Target not on Primary nor
Secondary Port
PI7C7300A does not respond and the
cycle will terminate as master abort.
Master on Secondary
Target on the same
Secondary Port
PI7C7300A does not respond.
Master on Secondary
Target on Primary or the
other Secondary Port
PI7C7300A asserts S1_DEVSEL# or
S2_DEVSEL#, terminates the cycle
normally if it is able to be posted,
otherwise returns with a retry. It then
passes the cycle to the appropriate port.
When cycle is complete on the target port,
it will wait for the initiator to repeat the
same cycle and end with normal
termination.
Master on Secondary
Target not on Primary nor
the other Secondary Port
PI7C7300A does not respond.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PI7C7300ANA-E 制造商:Pericom Semiconductor Corporation 功能描述:PCI-to-PCI Bridge 272-Pin BGA 制造商:Pericom Semiconductor Corporation 功能描述:PCI to PCI Bridge 272-Pin BGA
PI7C7300DNAE 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI PCI -to -PCI Bridge 3 Port 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
PI7C7300EVB 功能描述:界面開(kāi)發(fā)工具 3 Port PCI Bridge Eval Brd RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
PI7C8140A 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:2 PORT PCI TO PCI BRIDGE PLX PCI 6140 COMPARISON
PI7C8140AEVB 功能描述:界面開(kāi)發(fā)工具 2 Port PCI to PCI Bridge Eval Brd RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評(píng)估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V
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