Datasheet > PEX8615-BA50BIG

PEX8615-BA50BIG

更新时间： 2024-02-09 20:34:40

品牌	Logo	应用领域
PLX		/
页数	文件大小	规格书
4页	1025K
描述
Micro Peripheral IC,

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技术参数
数据手册

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PEX8615-BA50BIG 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	,	Reach Compliance Code：	unknown
风险等级：	5.64	Base Number Matches：	1

PEX8615-BA50BIG 数据手册

shows a controller card with a PEX 8615 connecting the

Control Processor to as many as eleven line cards each via an

x1 connection. This usage model provides connectivity to

multiple line cards giving the processor control over a large

number of line cards in communication platforms.

Figure 5. Distributed Computing

Intelligent Adapter Card Redundancy

The PEX 8615 supports the non-transparency feature.

Figure 6 illustrates a host system using an intelligent adapter

card.

Figure 6. Intelligent Adapter Usage

Figure 3. Control Plane Application

In this figure, the CPU on the adapter card is isolated from the

host CPU. The PEX 8615 non-transparent port allows the two

CPUs to be isolated but communicate with each other through

various registers that are designed in the PEX 8615 for that

purpose. Moreover, the internal DMA engine can be used to

copy or mirror the data between adapter cards so that

DMA in Control Planes for Large Systems

The DMA engine in the PEX8615 can alternatively be used to

perform housekeeping tasks, such as reading device status

information from the many endpoints available. This

particular usage model allows the DMA engine to perform the

many data transfers for endpoint status that would otherwise

be handled by the processor.

intelligent I/O adapter redundancy is achieved.

This model can be expanded to an Active-Standby failover

model. In this case, there is an Active host and a Standby host

ready to take over the system in the event the Active host fails.

The DMA engine in the PEX8615 can be used to mirror the

data between hosts thus minimizing the failover time.

Generic Data Mover

The DMA engine in the PEX8615 is very flexible. It

implements Four DMA channels capable of saturating a x8

Gen2 PCI Express link. Furthermore, it supports a Descriptor

Ring approach in which the descriptors can be placed in

external host memory or internal to the PEX8615. The DMA

engine can move data from any port to any port including the

same port. That is, the source and destination for a DMA

transfer can be on the same PEX8615 port. Figure 7 shows

two PCIe endpoints and a PEX8615 device connected through

a PCIe switch. In this example, the PCIe endpoints take

advantage of the DMA capabilities in the PEX8615 to move

data from PCIe2 to PCIe1.

Figure 4. PEX8615 DMA in a Packet Router

Distributed Computing

The PEX 8615 is well suited for distributed computing

applications. Once programmed, the DMA engine in the

PEX8615 transfers the data between servers and through the

NT port at a high rate. The processor can focus all of its

computing cycles manipulating the large amounts of data

received.

Figure 7. Generic Data Mover

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与PEX8615-BA50BIG相关器件

型号	品牌	获取价格	描述	数据表
PEX8615BA-AIC4U4DRDK	PLX	获取价格	Flexible & Versatile 12-lane 12-port PCI Express Switch
PEX8615BA-BB4U1DRDK	PLX	获取价格	Flexible & Versatile 12-lane 12-port PCI Express Switch
PEX8616	PLX	获取价格	PCIe Gen2, 5.0GT/s 16-lane, 4-port Switch
PEX8616-AA50BC	PLX	获取价格	Micro Peripheral IC,
PEX8616-AA50BCF	PLX	获取价格	Micro Peripheral IC,
PEX8616-AA50BCG	PLX	获取价格	PCIe Gen2, 5.0GT/s 16-lane, 4-port Switch
PEX8616-AARDK	PLX	获取价格	PCIe Gen2, 5.0GT/s 16-lane, 4-port Switch
PEX8616-BB50BC	PLX	获取价格	Micro Peripheral IC
PEX8616-BB50BCF	PLX	获取价格	PCI Bus Controller, CMOS, PBGA324, 19 X 19 MM, LEAD FREE, FCBGA-324
PEX8617	PLX	获取价格	PCIe Gen 2, 5.0GT/s 16-lane, 4-port Switch

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