KSZ8721CL A2

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KSZ8721CL A2 is an Ethernet physical layer transceiver that complies with 10Base-T and 100Base-TX standards. It incorporates a complete 10Base-T/100Base-TX physical layer transceiver, allowing transmission speed from 10 Mbps to 100 Mbps. The transceiver supports full-duplex and half-duplex modes via a standard RJ-45 connector.

The physical layer transceiver on the KSZ8721CL A2 is an integrated 128-pin package with an in-built regulator, clock regeneration circuit and analog front-end for receiving, filtering and transmitting the data. The transceiver supports the industry\'s most popular auto-negotiation standards such as IEEE 802.3u (10BASE-T/100BASE-TX) and IEEE 802.3x (full-duplex) as well as emerging standards such as IEEE 802.3ab (1000BASE-T).

The main applications of KSZ8721CL A2 include setting up a LAN, connecting to a local area network (LAN) or the internet, remote access servers, network interface cards, bridges, hubs, and routers. The KSZ8721CL A2 is also suitable for low-cost Ethernet switches and wireless access points, home gateways, and consumer electronic devices such as set top boxes and digital video recorders.

The main functions of the KSZ8721CL A2 are dedicated to providing data communication and network management functions. The KSZ8721CL A2 can manage the quality of service (QoS) of data traffic while operating efficiently in a network environment. The chip supports layer 2 forwarding, layer 2 filtering, and traffic policing. The device provides an integrated 10/100Base-TX physical layer transceiver and physical layer management functions including auto-negotiation and auto-crossover. The circuit also supports CD+T, HD+T, and FD+T modes, configurable LED outputs and multiple buffer memory for packet buffering and packet forwarding.

The internal architecture of the KSZ8721CL A2 includes a transceiver, an interface, a control unit, and a buffer memory. The transceiver is responsible for signal transmission and reception. The interface is responsible for providing control signals for the transceiver and for providing access for the external host. The control unit provides the instructions for making use of data transmitted from the transmitter and from the interface. The buffer memory is used to store the data that will be transmitted or received.

The transceiver on the KSZ8721CL A2 operates in either 10 Mbps or 100 Mbps mode, depending on the configuration of the chip. When configured for 10 Mbps mode, the chip supports maximum data rates of 10 Mbps in full-duplex or half-duplex mode. When configured for 100 Mbps operation, it supports maximum data rates of 100 Mbps in full-duplex and 93 Mbps in half-duplex mode.

In full-duplex mode, the transceiver transmits and receives data simultaneously at maximum gigabit Ethernet speed with very low latency. The KSZ8721CL A2 supports multiple media access control (MAC) and full duplex, enabling the establishment of high-speed multi-point connection. The chip also supports auto cross-over (MDI/MDI-X) for cable connections. In addition, the device is compliant with IEEE 802.3u and IEEE 802.3x standards.

The KSZ8721CL A2 is designed to support 10Base-T and 100Base-TX Ethernet cable networks by providing high-speed data transmission and data flow control features. The chip also supports wake-on-LAN and energy-on-LAN features. It can be used in applications such as industrial, medical, and AV systems.

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