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参数资料
| 型号： | PEX8532-BCRDK |
| 厂商： | PLX Technology, Inc. |
| 英文描述： | Flexible & Versatile PCI Express⑩ Switch |
| 中文描述： | 柔性 |
| 文件页数： | 2/4页 |
| 文件大小： | 527K |
| 代理商： | PEX8532-BCRDK |
Flexible Port Width Configuration
The lane width for each port can be individually configured
through auto-negotiation, hardware strapping, upstream
software configuration, or through an optional EEPROM.
The PEX 8532 supports a large number of port configurations.
For example, if you are using the PEX 8532 in a fan-out
application (such as in Figure 1), you may configure the
upstream port as x8 and the downstream ports as six x4 ports;
two x8 & two x4 ports; three x8 ports; or any other
combination as long as you don’t run out of lanes (32) or ports
(8). For a peer-to-peer application, you can configure all eight
ports as x4 or x2, or a combination of the two. In a port
aggregation application, you can configure four x2 or x4 ports
for aggregation into one x8 or x16 port.
Hot Plug for High Availability
Hot plug capability allows users to replace hardware modules
and perform maintenance without powering down the system.
The ExpressLane PEX 8532 hot plug capabilities and
advanced error reporting
features make them suitable for
High Availability (HA) applications
. Each downstream port
includes a Standard Hot Plug Controller. If the PEX 8532 is
used in an application where one or more of its downstream
ports connect to PCI Express slots, each port’s Hot Plug
Controller can be used to manage the hot-plug event of its
associated slot. Furthermore, its upstream port is a
hot-plug
client
, allowing it to be used on
hot-pluggable adapter
cards, backplanes and fabric modules
.
Fully Compliant Power Management
For applications that require power management, the
ExpressLane PEX 8532 device support both link (L0, L0s, L1,
L2/L3 Ready, and L3) and device (D0 and D3hot) power
management states, in compliance with the PCI Express power
management specification.
SerDes Power and Signal Management
The ExpressLane PEX 8532 supports
software control
of the
SerDes outputs
to allow optimization of power and signal
strength in a system. The PLX SerDes implementation
supports four levels of power – off, low, typical and high. The
SerDes block also supports
loop-back modes
and
advanced
reporting of error conditions
, which enables efficient debug
and management of the entire system.
Flexible Virtual Channel Arbitration
The ExpressLane PEX 8532 switch supports hardware fixed
and Round Robin arbitration schemes for two virtual channels.
This allows fine tuning of Quality of Service, optimum use of
buffers and efficient use of the system bandwidth.
Applications
Suitable for
host-centric
as well as
peer-to-peer
traffic
patterns, the ExpressLane PEX 8532 can be configured for a
wide variety of form factors and applications.
Host Centric Fan-out
The ExpressLane PEX 8532 device, with its versatile
symmetric or asymmetric lane configuration capability, allows
user specific tuning to a variety of host-centric applications.
Figure 1. Fan-in/out Usage
Figure 1 shows a typical
server-based
design, where the root
complex provides a PCI Express link that needs to be
expanded into a larger number of smaller ports for a variety of
I/O functions each with different bandwidth requirements.
The ExpressLane PEX 8532 would typically have an 8-lane
upstream port, and as many as
7 downstream ports
. The
downstream ports can be of differing widths if required. The
figure also shows how some of the ports can be bridged to
provide
PCI or PCI-X
through the use of the ExpressLane
PCIe bridges such as
PEX 8114 and PEX 8111.
Peer-to-Peer & Backplane Usage
Figure 2 represents a backplane where the ExpressLane PEX
8532 provides peer-to-peer data exchange for a large number
of line cards where the CPU/Host plays the management role.
Figure 2. Peer-to-Peer/Backplane Usage
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| PEX8632 | PCIe Gen2, 5.0GT/s 32-lane, 12-port Switch |
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| PEX8648 | PCIe Gen2, 5.0GT/s 48-lane, 12-port PCIe Switch |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PEX8532RDK-16 | 功能描述:界面开发工具 PEX8532 KIT RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
| PEX8533 | 制造商:PLX 制造商全称:PLX 功能描述:Flexible & Versatile PCI Express? Switch |
| PEX8533-AA25BI | 功能描述:外围驱动器与原件 - PCI 32 Lane 6 Port PCI Express Switch RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| PEX8533-AA25BIG | 功能描述:外围驱动器与原件 - PCI 32 Lane 6 Port PCI Express Switch RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray |
| PEX8533-AARDK | 功能描述:界面开发工具 Rapid Dev Kit For PEX 8533 RoHS:否 制造商:Bourns 产品:Evaluation Boards 类型:RS-485 工具用于评估:ADM3485E 接口类型:RS-485 工作电源电压:3.3 V |
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