UTP28X24GR

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Part Status:	Active

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The UTP28X24GR is a single-chip Ethernet controller with an integrated transformer interface. It is designed to interface with widely used LAN physical layer transceivers, and provides the MAC/PHY layer for 10/100/1000 Mbps Ethernet systems. The UTP28X24GR is available in a 48-pin VQFN (Very thin Quad Leadless Flatpack No-Lead) package, and is suitable for automotive, consumer, and industrial applications.

Application field:

The UTP28X24GR is a low-power, low-cost Ethernet controller with an integrated transformer interface. The device is ideal for applications such as Internet of Things (IoT), industrial and home automation, home networking, automotive, surveillance, medical, and consumer electronics. The UTP28X24GR is the ideal choice for applications that require high data throughput, low latency, and extended operating temperature range.The UTP28X24GR integrates various PHY and MAC functions, allowing for a quick time to market for full Ethernet systems. The controller is well-suited for line-rate, packet-forwarding systems where jumbo frames and 100 Mbps, 10 Mbps, and 1000 Mbps speeds are required.

Working Principle:

The UTP28X24GR is a single-chip Ethernet controller with an integrated transformer interface. It is designed to interface with widely used LAN physical layer transceivers, and provides the MAC/PHY layer for 10/100/1000 Mbps Ethernet systems. The UTP28X24GR implements the Media Access Control Sublayer (MALS) and the Logical Link Control Sublayer (LLCS). The MALS is responsible for frame transmission and reception on the network, including collision avoidance, retransmission, and error detection. The LLCS moves frames between the MALS and higher layers, providing an error-free data transfer. The UTP28X24GR supports a FIFO-based DMA interface for frame transmission and reception, as well as 802.3x flow control. It also supports Wake-on-LAN and link auto-negotiation. Furthermore, the device integrates a 64-bit Protocol Unit and a 32KB on-chip RAM for packet buffering and packet-level packet acceleration.The UTP28X24GR integrates a 16-bit Pulse Rate Modulation (PRM) interface. This is used to control and monitor the integrated transformer, allowing for dynamic control of the line termination impedance, guaranteeing optimal line compatibility.

Conclusion:

The UTP28X24GR is a single-chip Ethernet controller with an integrated transformer interface, providing a low-cost, low-power solution for Ethernet applications in a wide range of device types. The device integrates various PHY and MAC functions, allowing for a quick time to market for full Ethernet systems. Additionally, the UTP28X24GR supports a FIFO-based DMA interface for frame transmission and reception, as well as 802.3x flow control, Wake-on-LAN, and link auto-negotiation. The device further integrates a 16-bit Pulse Rate Modulation (PRM) interface with dynamic control of the line termination impedance. The UTP28X24GR is ideal for applications such as IoT, industrial and home automation, home networking, automotive, surveillance, medical, and consumer electronics.

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