KSZ8721B

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KSZ8721B is an Ethernet physical layer (PHY) transceiver developed by Microchip Technology. This low-power, low-cost single-port 10BASE-T/100BASE-TX transceiver includes both MII and RMII digital interfaces, and supports various industrial applications. In this article, we will further discuss its application field and working principle.

Application: The KSZ8721B is suitable for a wide range of industrial applications where high-performance, high-quality Ethernet communications are required. It provides a cost-effective solution by integrating the physical layer function of Ethernet and allowing multiple network nodes to communicate and share data on the same network. The transceiver is suitable for industrial automation, consumer appliances and other areas where low-power and high performance is required. It supports 10Base-T and 100Base-TX protocols, making it compatible with both existing and emerging Ethernet networks.

Working Principle: The KSZ8721B is a full-featured single-port physical layer transceiver that supports MII and RMII digital interfaces. It is designed to support Ethernet full-duplex communication, reducing power, design complexity, and system cost. The device includes a media independentedriver (MID) that supports both 10Base-T and 100Base-TX Ethernet protocols. The transceiver also integrates a media access controller (MAC) that provides collision detection, frame transmission and reception, auto- retry and error detection and correction functions. The transceiver is compliant with IEEE 802.3x standards, and provides features such as half-duplex and back-pressure flow control to ensure reliable Ethernet communications.

The transceiver also integrates a power-saving mode that reduces power consumption while maintaining Ethernet performance. The device also supports remote loopbacks and automatic link detect functions, which provide advanced diagnostics of communication problems. The device also includes a built-in loopback mode, making it ideal for system interoperability testing.

The KSZ8721B is a low-cost single-port 10BASE-T/100BASE-TX transceiver for industrial applications. It integrates a media independentedriver (MID) that supports both 10Base-T and 100Base-TX Ethernet protocols, and a media access controller (MAC) for collision detection, frame transmission and reception, auto-retry and error detection and correction. Its power-saving mode reduces power consumption while maintaining Ethernet performance. It also supports remote loopbacks and automatic link detect functions, making it ideal for system interoperability testing. The device is compliant with IEEE802.3x standards and is suitable for low-power and high-performance applications such as industrial automation, consumer appliances and other areas.

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