DP83848QSQE/NOPB Integrated Circuits (ICs)

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The TI DP83848QSQE/NOPB is a Stand-Alone 10/100BASE-T IEEE 802.3 compliant physical layer (PHY) device. It integrates the physical layer functionality into one, and is an ideal upgrade from 10 Mbps cables. With the DP83848QSQE/NOPB, customers can also enjoy a new form factor, high temperature range operation, low power operation and a wide temperature range support.

The application field of the DP83848QSQE/NOPB is extensive and includes relevant components used in networking applications such as Connectivity processors, Layer 2 switches, Wireless base station controllers, SWAP systems, WAVE port modules, PHY devices and network processors.

The DP83848QSQE/NOPB device implements the PHY layer for the IEEE mini-connector standard. It supports Auto-negotiation, MDI/MDI-X crossover detection, parallel detection, and polarity correction. The device supports various clock sources (recovered clock, MAC interface, PLL, external oscillator) and provides a speed switch interface.

The DP83848QSQE/NOPB operates in a wide temperature range, from -40°C to +85°C and can provide single-supply operation with VDD core range of 3.3V±10%. It increases reliability, enhances longevity and provides a secure device.

The DP83848QSQE/NOPB utilizes the Inter-Packet Gap (IPG) or IEEE 802.3 as the communication mechanism. It is a full-duplex, half-duplex, and 10/100Mbps auto-negotiation physical layer device. It can detect crossover and MDI/MDI-X, providing several options to interconnect different systems when using twisted pair cables. The device also supports automatic polarity correction, which corrects the configuration at the media switch connector for easy interconnectivity.

The DP83848QSQE/NOPB supports a variety of physical layers and duplex modes, including Half/Full duplex and Auto-negotiation capability. The auto-negotiation feature allows automatic adaptation of the device to different transmission rates according to the speed of its counterpart.

The DP83848QSQE/NOPB utilizes a pair of receivers, a pair of drivers, and a pair of transceivers. The receivers and transceivers perform the roles of forwarding the Ethernet frames to the MAC layer through the MAC interface. The drivers are used to send the Ethernet frames taken from the MAC layer into the network.

The working principle of the drivers and receivers is as simple as its primary purpose. The drivers generate digital electrical signals or bitstreams that are used to send data from the communication interface to the wires. This is done in order to have these signals reach their destinations. The receivers are used to decode the bitstreams generated by the drivers and convert them back to their digital data. The transceivers play a dual role between both ends of the serial channel by decoding and encoding the frames from and to digital data.

Overall, the TI DP83848QSQE/NOPB is a versatile and cost-effective solution for any medium- and high-speed network application. Its wide temperature range and low power operation make it suitable for any type of environment. Thanks to its ability of auto-negotiation and polarity correction, it simplifies the configuration and connection between different systems. By combining two receivers, a pair of drivers, and a pair of transceivers, it can transmit and receive data safely and efficiently.

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