BCM5482HEA2KFBG

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BCM5482HEA2KFBG is an Ethernet switch controller chip developed by Broadcom Corporation. It has features like low power consumption, high integration, and cost-effectiveness that make it the ideal choice for many applications. In this article, we will explore the application field and working principle of the BCM5482HEA2KFBG.

The BCM5482HEA2KFBG can be used in a wide array of applications that require an Ethernet switch. It is suitable for networking projects that have high data rates and/or require low latency, such as large-scale data centers, mission-critical industrial automation systems, and enterprise-level data communication networks. Additionally, the chip can be used in consumer products such as home and office routers and gateways, gaming consoles, and set-top boxes.

The BCM5482HEA2KFBG provides a wealth of features to enable efficient networking operations. It is compliant with the IEEE 802.3 standard for the full-duplex transfer of 10/100/1000 Mbps Ethernet frames. Additionally, it supports wire-speed frame filtering, address lookups, and packet segmentation and reassembly functions. It is integrated with 24-port IEEE 802.3ah-compliant PHYs designed for connecting to twisted-pair copper cables, as well as 10GBASE-T interfaces that support wiring up to 100m in length.

The BCM5482HEA2KFBG can also be used to build low-power Ethernet switch solutions. It draws less than 1W of power in a typical application and can be configured for Energy Efficient Ethernet (EEE) or Deep Sleep power states, allowing applications to optimally manage power usage. The chip\'s integrated high-efficiency current mirrors also allow for up to 30% power savings over conventional solutions.

The BCM5482HEA2KFBG operates in two basic modes of operation: cut-through and store-and-forward. In cut-through mode, the packet is forwarded as soon as the destination address is known and the MAC address table lookup operation is finished. This mode is highly efficient, as it minimizes latency, but offers limited error control. In store-and-forward mode, the packet is first stored in the internal memory, and a CRC check is performed before forwarding it on the network.

Finally, to ensure a reliable data transfer, the BCM5482HEA2KFBG supports multiple Quality of Service (QoS) techniques for prioritizing and regulating the network traffic. These include traffic shaping, advanced packet scheduling, packet classification, queue management, virtual output queues, and support for virtual local area networks (VLANs).

In conclusion, the BCM5482HEA2KFBG is an ideal solution for applications that require high-speed Ethernet switching. It is designed to meet the rigorous bandwidth demands of data centers and industrial networks, while also offering low power consumption and enhanced performance. It supports a range of QoS features to ensure reliable data transmission, and it has been optimized for Ethernet connections using twisted-pair copper cables, as well as 10GBASE-T. With its comprehensive feature set, the BCM5482HEA2KFBG is the perfect choice for both consumer and industrial networking applications.

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