KSZ8721BTA4

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The KSZ8721BTA4 is an integrated device that contains both a media access controller (MAC) and transceiver in one chip, specifically aimed at small form factor 10 BaseT and 100 BaseTX applications. It is part of the Ethernet Sub System of the KSZ8721 family. The KSZ8721BTA4 can be connected to a wide range of external devices and media, allowing flexibility when designing applications. This device offers IEEE compliant Media Independent Interface functionality and packet processing.

The KSZ8721BTA4 is an integrated device with a MAC, providing high-speed packet processing, host interface and media access control. It was designed to provide sophisticated system based on 10 BaseT/100 BaseTX networking. The KSZ8721BTA4 can be used for high-speed networking applications across a wide range of media including copper, fiber, and wireless links. It supports a 32-bit host interface and can be integrated into systems designed for wired and wireless communications.

The KSZ8721BTA4 features a dual-port MAC with 32-bit internal data buses. It supports multiple media, including copper and fiber-based mediums, allowing modules to be connected directly or via external media converters. The device also includes an integrated transceiver and analog signal processor. The transceiver supports data rates of up to 10 Mbps on 10 BaseT and 100 Mbps on 100 BaseTX Ethernet connections.

The KSZ8721BTA4 offers several signal processing functions, including packet size checks, CRC32 generation and verification, link layer signal detection, and flow control. Additionally, it includes IEEE 802.3 clause 22 flow control support. The device implements a self-learning filtering architecture, providing the basic necessary processing for MAC operations.

The KSZ8721BTA4 supports a complete IEEE 802.3 compliant link layer protocol, including CSMA/CD and full-duplex operations. It also supports IEEE 802.1Q VLAN protocol, 802.3z auto-negotiation protocol, and 802.3x full-duplex flow control. It is capable of operating in half-duplex or full-duplex mode, and incorporates a packet buffer to allow packet exchange between two MACs.

The KSZ8721BTA4 contains a complete integrated physical layer device. The device supports multiple media including copper, fiber, and wireless links. It is compliant with IEEE 802.3 clause 22MII specification, with support for 10BASE-T and 100BASE-TX protocols. The KSZ8721 device also supports auto-negotiation for the selection of the appropriate data rate. The transceiver also contains an advanced signal conditioning system with dynamic offset cancellation and advanced de-emphasis control.

The KSZ8721BTA4 is an integrated device with a highly efficient MAC and transceiver. It is an ideal solution for high-speed networking applications, with support for multiple media types. The device includes a sophisticated signal processing system with support for auto-negotiation protocols and link layer functions. Additionally, it provides a packet buffer for packet exchange between two MACs. It is a cost-effective solution for small form factor 10 BaseT and 100 BaseTX applications.

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