參數(shù)資料
型號(hào)： PI7C7300
廠商： Pericom Semiconductor Corp.
英文描述： 3-PORT PCI-to-PCI BRIDGE
中文描述： 3端口PCI至PCI橋
文件頁(yè)數(shù)： 67/109頁(yè)
文件大?。?/td> 779K
代理商： PI7C7300
PI7C7300A
3-PORT PCI-TO-PCI BRIDGE
ADVANCE INFORMATION
Page 67 OF 109
09/25/03 Revision 1.09
If the internal secondary bus arbiter is enabled, the secondary bus is always parked at the
last master that used the PCI bus. That is, PI7C7300A keeps the secondary bus grant
asserted to a particular master until a new secondary bus request comes along. After
reset, PI7C7300A parks the secondary bus at itself until transactions start occurring on
the secondary bus. If the internal arbiter is disabled, PI7C7300A parks the secondary bus
only when the reconfigured grant signal, S_REQ#[0], is asserted and the secondary bus is
idle.
10
COMPACT PCI HOT SWAP
Compact PCI (cPCI) Hot Swap (PICMG 2.1, R1.0) defines a process for installing and
removing PCI boards form a Compact PCI system without powering down the system.
The PI7C7300A is Hot Swap Friendly silicon that supports all the cPCI Hot Swap
Capable features and adds support for Software Connection Control. Being Hot Swap
Friendly, the PI7C7300A supports the following:
!
Compliance with PCI Specification 2.2
!
Tolerates V
CC
from Early Power
!
Asynchronous Reset
!
Tolerates Precharge Voltage
!
I/O Buffers Meet Modified V/I Requirements
!
Limited I/O Pin Leakage at Precharge Voltage
When the PI7C7300A resides on the Compact PCI add-in card, the Primary Bus must be
the bus that is inserted into the Compact PCI system. To perform the Hot Swap function,
the device must be configured according to the
CPCI Hot-Swap Specifications
. For the
PI7C7300A, the only path for configuration is through the Primary Bus. The bridge may
not be configured through either secondary buses. If the user chooses to use the
secondary buses for insertion, an external register needs to be provided for the Hot Swap
Control Status Register.
11
CLOCKS
This chapter provides information about the clocks.
11.1
PRIMARY CLOCK INPUTS
PI7C7300A implements a primary clock input for the PCI interface. The primary
interface is synchronized to the primary clock input, P_CLK, and the secondary interface
is synchronized to the secondary clock. The secondary clock is derived internally from
the primary clock, P_CLK, through an internal PLL. PI7C7300A operates at a maximum
frequency of 66 MHz.
11.2
SECONDARY CLOCK OUTPUTS
PI7C7300A has 16 secondary clock outputs, S_CLKOUT[15:0] that can be used as clock
inputs for up to fifteen external secondary bus devices. The S_CLKOUT[15:0] outputs
相關(guān)PDF資料
PDF描述
PI7C7300A 3-PORT PCI-to-PCI BRIDGE
PI7C7300ANA 3-PORT PCI-to-PCI BRIDGE
PI7C8140A 2 PORT PCI TO PCI BRIDGE PLX PCI 6140 COMPARISON
PI7C8148B 2-PORT PCI-to-PCI BRIDGE PLX PC16152 COMPARISON
PI7C8150B-33 PCI Bridge | Asynchronous 2-Port PCI Bridge
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PI7C7300A 制造商:PERICOM 制造商全稱(chēng):Pericom Semiconductor Corporation 功能描述:3-PORT PCI-to-PCI BRIDGE
PI7C7300AEVB-3 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
PI7C7300ANA 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
PI7C7300ANAE 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
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
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