參數(shù)資料
型號(hào)： PI7C7300ANAE
廠(chǎng)商： Pericom
文件頁(yè)數(shù)： 24/109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(lèi)型： 表面貼裝
PI7C7300A
3-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 21 OF 109
09/25/03 Revision 1.09
Pin #
Name
Type
Pin #
Name
Type
Y17
P_AD[11]
PB
Y18
P_AD[8]
PB
Y19
P_AD[5]
PB
Y20
P_AD[2]
PB
4
PCI BUS OPERATION
This Chapter offers information about PCI transactions, transaction forwarding across
PI7C7300A, and transaction termination. The PI7C7300A has three 128-byte buffers for
buffering of upstream and downstream transactions.
These hold addresses, data,
commands, and byte enables and are used for both read and write transactions.
4.1
TYPES OF TRANSACTIONS
This section provides a summary of PCI transactions performed by PI7C7300A.
Table 4-1 lists the command code and name of each PCI transaction. The Master and
Target columns indicate support for each transaction when PI7C7300A initiates
transactions as a master, on the primary (P) and secondary (S1, S2) buses, and when
PI7C7300A responds to transactions as a target, on the primary (P) and secondary (S1,
S2) buses.
Table 4-1 PCI TRANSACTIONS
Types of Transactions
Initiates as Master
Responds as Target
Primary
Secondary
Primary
Secondary
0000
Interrupt Acknowledge
N
0001
Special Cycle
Y
N
0010
I/O Read
Y
0011
I/O Write
Y
0100
Reserved
N
0101
Reserved
N
0110
Memory Read
Y
0111
Memory Write
Y
1000
Reserved
N
1001
Reserved
N
1010
Configuration Read
N
Y
N
1011
Configuration Write
Y (Type 1 only)
Y
Y (Type 1 only)
1100
Memory Read Multiple
Y
1101
Dual Address Cycle
Y
1110
Memory Read Line
Y
1111
Memory Write and Invalidate
Y
As indicated in Table 4-1, the following PCI commands are not supported by
PI7C7300A:
!
PI7C7300A never initiates a PCI transaction with a reserved command code and, as
a target, PI7C7300A ignores reserved command codes.
!
PI7C7300A does not generate interrupt acknowledge transactions. PI7C7300A
ignores interrupt acknowledge transactions as a target.
!
PI7C7300A does not respond to special cycle transactions. PI7C7300A cannot
guarantee delivery of a special cycle transaction to downstream buses because of the
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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(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
PI7C8140A 制造商:PERICOM 制造商全稱(chēng):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(lèi)型:RS-485 工具用于評(píng)估:ADM3485E 接口類(lèi)型:RS-485 工作電源電壓:3.3 V
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