KSZ8721SL-TR

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The KSZ8721SL-TR is a type of ultrasmall CMOS Ethernet PHY that is designed specifically for consumer-grade products. It is part of Microchip’s family of physical layer solutions, providing multiple port configurations and industry-leading low power consumption. It is also compliant with IEEE 802.3, 802.3u, 802.3ab, and 10/100 Base-T Ethernet standards, and integrates a high-performance Analog Front End (AFE).

The KSZ8721SL-TR is an interface - drivers, receivers, transceivers solution for applications requiring true 10/100Base-T Ethernet connectivity. It features low power consumption and takes up very little board space. It supports both regular Ethernet media and the latest Ethernet media such as CAT5e or CAT6 cable. It is also compliant with the IEEE802.3/802.3u specifications, including auto-negotiation, remote wake-up, and MDI/MDIX auto-crossover.

The working principle of the KSZ8721SL-TR is based on the principle of converting data from parallel to serial for transmission, and from serial to parallel for reception. It buffers and delivers four-bits of parallel data (each pair of bits received is used to generate one bit of four-bit data) from the MAC controller to its Media Access Controller (M’ AC). The M’AC then uses those four-bit segments to form 16-bits of parallel data which is then converted to a 10/100Base-T serial data stream. On the other end, the incoming serial data stream is converted back to a four-bit parallel format and then to a 16-bit parallel format. These 16-bits are then sent to the Physical Layer Interface (PHY) chip, which then sends the data to the MAC.

The KSZ8721SL-TR also provides support for Auto-Negotiation and MDI/MDIX crossover detection, two important features that allow the device to quickly and automatically connect to the fastest operating mode that is compatible with the other connected devices. It also has power management features that can switch the device into a low power sleep mode when there is no active connection.

The KSZ8721SL-TR is an ideal solution for digital consumer and industrial applications such as set-top boxes, digital TVs, gaming consoles, and various embedded designs. It is also used in automotive and avionics system designs, where its low power requirements, small size, and low cost offer vital advantages.

In conclusion, the KSZ8721SL-TR is a highly advanced device that offers industry-leading low power requirements, reliable Ethernet performance, and comprehensive support for 10/100Base-T networking standards. It is an ideal solution for embedded systems, industrial applications, and automotive designs.

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