PI7C9X7952BFDEX

Series:	--
Part Status:	Active
Protocol:	PCI
Function:	Bridge, PCI to UART
Interface:	UART
Standards:	--
Voltage - Supply:	1.8V, 3.3V
Current - Supply:	--
Operating Temperature:	-40°C ~ 85°C

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Interface - Controllers: PI7C9X7952BFDEX Application Field and Working Principle

The PI7C9X7952BFDEX is a small and highly efficient bridge providing a full PCI Express protocol family of interfaces for easy interfacing between PCI Express interface and CPU, DMA and other related devices. It can be used for data transfer, management and control functions in a wide range of applications and is particularly suitable for applications that require high-speed data transfer. This bridge supports all the important features of PCI Express, including fundamental protocol functions such as power management, extended configuration space, system error reporting and support, flow control, and end-to-end data integrity. It also supports advanced features like low latency queueing and native support for multiple protocols. An aggregate 8-lane PCI Express (x8) to 8-lane (x8) bridge is found inside the PI7C9X7952BFDEX, which can expand or logical link two PCI Express interfaces together. Additionally, an advanced hierarchical partitioning feature is supported, allowing up to eight independent ports. This bridge supports up to eight independently programmable non-blocking data transfer paths and allows the connection of multiple devices to one port. This way, the supported applications can benefit from the highest data transfer performance. The PI7C9X7952BFDEX is usually used for applications that require low-latency communication and for applications that need to simultaneously transfer data from two PCI Express interfaces. Commonly, this bridge is used in industrial and medical applications, as well as in automotive and avionic systems. Additionally, up to 8 independent lanes of data transfer rate can be offered. The working principle of the PI7C9X7952BFDEX is based on the PCI Express protocol, which is a serial interconnect protocol that transmits data at the rate of 2.5 Gb/sec per lane direction. This protocol also supports optional flow control, error reporting and other system level protocol functions. It provides an effective transmission of data over multiple lanes, allowing efficient utilization of resources. The protocol is characterized by an 8-bit Data Strobe and an 8-bit Address & Control Signal.In an application, the integrated 8-lane PCI Express (x8) to 8-lane (x8) bridge is used to connect two PCI Express devices. The bridge provides a tunnel between two devices, allowing them to communicate. The bridge will act as a virtual end point for the target transmitter, providing data to and from the source device. Additionally, it can be used to transport and/or manipulate the data. The working of the bridge is quite simple: it supports up to eight packetized, non-blocking data transfer paths. The PI7C9X7952BFDEX comes with a set of functions that can be used to link those paths and configure the FIFO parameters. This includes the functions like Memory Layering, Queue Allocation, Load Balancing, and Address Translation. The PI7C9X7952BFDEX bridge supports several different modes of data transfer such as: interthread, datastream, and burst modes. In its simplest form, the bridge is configured as a simple memory-mapped register interface in which the transmitter transmits or receives data using sideband indicators. The bridge also supports a range of system level protocol functions such as power management, extended configuration space, system error reporting and support, and flow control. These features help with communications between two or more devices connected to the bridge. Additionally, the bridge supports multiple protocols for multicast, scattered memory addressing, and register latency reduction. In conclusion, the PI7C9X7952BFDEX bridge is an extremely capable PCI Express protocol solution for applications requiring high-speed data transfer. The bridge provides an efficient solution for data communication between two systems with low latency, as well as advanced features such as multiple protocols and system level protocol functions. The bridge is also suitable for industrial, medical, automotive, and avionic systems, due to its advanced hierarchical partitioning feature and support for up to eight independent ports.

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