KSZ8721BA4

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Introduction to KSZ8721BA4

The KSZ8721BA4 is a medium-speed Ethernet Physical Layer transceiver IC with integrated 10/100 Mbps Ethernet physical layer interface functions. Manufactured by KSZ88XX, it provides high performance and low-power, low voltage operation and is suitable for a range of applications, including network and communications, industrial control, and consumer electronics. The transceiver has an integrated 100/10Mbps Ethernet MAC (media access control) and PHY (physical layer) with an integrated IEEE 802.3 compliant Media Access Controller (MACT), allowing for full wire-speed operation.

KSZ8721BA4 Application Field

The KSZ8721BA4 is designed for low-speed networking applications using 10/100Mbps Ethernet physical layer interfaces. It can be used in embedded applications such as industrial automation, process control, and lead frames. It is also applicable to energy-efficient appliance control, valve control, and set-top box control. Additionally, the transceiver can be used in automotive applications such as driver information systems and video surveillance systems. The KSZ8721BA4 can also be used in wireless applications such as wireless connectivity and routing, and wireless security.

KSZ8721BA4 Working Principle

The KSZ8721BA4 features an integrated Ethernet PHY and MAC. This allows for full wire-speed operation, meaning that data is sent and received at the rate of the Ethernet Medium. The MAC handles the incoming and outgoing traffic and sends the appropriate response to the host system. The PHY is responsible for encoding and decoding the data, as well as for interfacing with the Ethernet Medium. It operates at a data rate of 10Mbps, 100Mbps, and 200Mbps depending on the selected PHY. The integrated PHY supports multiple speeds, allowing it to work with a variety of applications. In addition, it supports Ethernet over twisted pair cable, making it ideal for industrial and home networks.

Conclusion

The KSZ8721BA4 is a low-voltage, low-power medium-speed Ethernet Physical Layer transceiver chip. It integrates a 100/10Mbps Ethernet MAC and PHY, and features integrated IEEE 802.3 compliant Media Access Controller (MACT) with full wire-speed operation. It is suitable for a range of applications, including industrial automation and process control, as well as energy-efficient appliance control, valve control, and set-top box control. The integrated PHY supports multiple speeds and Ethernet over twisted pair, making it suitable for a variety of applications, including industrial and home networks. Finally, the low-power, low-voltage operation makes this chip perfect for a variety of embedded applications.

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