LAN9313I-NZW

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The LAN9313I-NZW is an integrated full-speed USB 2.0 to 10/100 Ethernet controller, offering a compact and cost-effective solution for embedded systems. It supports low-pin-count design characteristics and delivers reliable, high-performance operation in a range of operational environments. With its on-board processor and integrated functions such as buffering, bridging, and auto-polarity detection, the LAN9313I-NZW provides enhanced network performance and ease-of-use features.

The LAN9313I-NZW is suitable for a broad range of applications requiring network connectivity, including industrial automation, consumer electronics, medical equipment, vending machines, router/firewall access points, and IoT devices. With its high bandwidth and robust, low-power design, the LAN9313I-NZW is ideal for embedded systems requiring reliable, low-cost Ethernet connectivity.

Features and Benefits

• High-speed: The LAN9313I-NZW supports high-speed USB 2.0 connections, providing up to 480 Mbps of data throughput.
• Low-pin-count design: The LAN9313I-NZW is based on a low-pin-count design, allowing for a more cost-effective implementation and reduced PCB real-estate.
• Integrated processor: The LAN9313I-NZW\'s integrated processor supports buffering, bridging, and auto-polarity detection, making the controller more efficient and easier to use.
• Compact size: The LAN9313I-NZW is designed to fit into small form factor devices, with a compact design that allows flexibility in applications that require limited board space.
• Cost-effective: The LAN9313I-NZW provides an ideal solution for embedded systems requiring low-cost Ethernet connectivity.

Working Principle

The LAN9313I-NZW is based on a 32-bit ARM7TDMI processor, with dual Zentel EMC ROMs and a built-in 10/100 Ethernet MAC. The controller supports up to four USB 2.0 ports, providing control, data and power over USB, enabling simple and reliable connections to PC and other compatible USB devices. The processor supports various network protocols, allowing for rapid integration of the LAN9313I-NZW into complex systems. The controller is compatible with most standard operating systems, making it easier to set up and install.

The MAC core of the LAN9313I-NZW supports both full-duplex and half-duplex Ethernet connections. It also supports bridging and buffering functions, allowing for increased performance and reliability. Additionally, the controller supports optional auto-polarity detection, allowing the device to automatically detect and transition from 10Mbps to 100Mbps connection speeds, based on the voltage levels applied by the host system.

The LAN9313I-NZW allows for an easy and fast implementation by providing an integrated EEPROM and an API library to configure the controller. The LAN9313I-NZW also supports two independent MII and RMII interfaces, making it easy to integrate with other networks or external media access controllers. Additionally, the controller supports various power management features, allowing it to reduce power consumption while in low activity states, thus providing more efficient operation.

Conclusion

The LAN9313I-NZW is a compact and cost-effective USB-based 10/100 Ethernet controller, offering an ideal solution for embedded systems requiring low-cost, reliable connectivity. With its integrated processor, buffering, bridging, and auto-polarity detection, the LAN9313I-NZW is capable of providing enhanced performance and ease-of-use features, allowing for rapid integration and a more efficient network connection. Its low-pin-count design allows for simpler board layout and lower real-estate requirements, making it suitable for applications that require high-speed, low-cost Ethernet connectivity.

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