LAN9116-MT

Product Overview

Category: Network Interface Controller (NIC)

Use: The LAN9116-MT is a high-performance Ethernet controller designed for use in embedded systems. It provides a reliable and efficient solution for connecting devices to local area networks (LANs).

Characteristics: - High-speed data transfer capabilities - Low power consumption - Compact size for easy integration into various devices - Robust design for reliable network connectivity

Package: The LAN9116-MT comes in a small form factor package, making it suitable for space-constrained applications. It is available in surface mount technology (SMT) packaging.

Essence: The LAN9116-MT is an essential component for enabling network connectivity in embedded systems. It allows devices to communicate with each other and access network resources.

Packaging/Quantity: The LAN9116-MT is typically sold in reels or trays, depending on the manufacturer's packaging standards. The quantity per reel or tray may vary, but it is commonly available in quantities of 100 or more.

Specifications

• Interface: 10/100 Mbps Ethernet
• Operating Voltage: 3.3V
• Operating Temperature: -40°C to +85°C
• Data Transfer Rate: Up to 100 Mbps
• Supported Protocols: TCP/IP, UDP, IPv4, IPv6
• Physical Interface: MII (Media Independent Interface)
• Power Consumption: <500mW
• Package Dimensions: 7mm x 7mm

Detailed Pin Configuration

The LAN9116-MT has a total of 48 pins, which are assigned for various functions. Here is a detailed pin configuration:

1. VDDIO - Power supply for I/O pins
2. VDDA - Analog power supply
3. VSS - Ground
4. VDD - Power supply for internal circuitry
5. MDIO - Management Data Input/Output
6. MDC - Management Data Clock
7. RXD[0:3] - Receive Data [0:3]
8. CRS_DV - Carrier Sense/Data Valid
9. TXEN - Transmit Enable
10. TXD[0:3] - Transmit Data [0:3]
11. RXER - Receive Error
12. COL - Collision Detect
13. RXDV - Receive Data Valid
14. RXCLK - Receive Clock
15. TXCLK - Transmit Clock
16. REFCLK - Reference Clock

... (detailed pin configuration continues)

Functional Features

• High Performance: The LAN9116-MT offers high-speed data transfer capabilities, allowing for efficient network communication.
• Low Power Consumption: With its low power consumption, the LAN9116-MT is suitable for battery-powered devices and energy-efficient applications.
• Robust Design: The controller's robust design ensures reliable network connectivity, even in challenging environments.
• Flexible Interface: The MII interface provides compatibility with a wide range of Ethernet PHYs, enabling easy integration into various systems.

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Compact size - Robust design - Flexible interface options

Disadvantages: - Limited to 10/100 Mbps Ethernet speeds - May require additional components for certain advanced features

Working Principles

The LAN9116-MT operates by receiving and transmitting Ethernet frames over the network. It utilizes the MII interface to communicate with the Ethernet PHY, which handles the physical layer functions. The controller processes incoming data packets and forwards them to the appropriate destination within the system. Similarly, outgoing data packets are transmitted through the PHY to the network.

Detailed Application Field Plans

The LAN9116-MT is widely used in various embedded systems that require network connectivity. Some of the common application fields include:

1. Industrial Automation: The controller enables communication between industrial devices and control systems, facilitating efficient automation processes.
2. Internet of Things (IoT): It is utilized in IoT devices to connect them to local networks and enable remote monitoring and control.
3. Home Automation: The LAN9116-MT allows for seamless integration of smart home devices, enabling centralized control and management.
4. Automotive: It is employed in automotive systems for networking purposes, such as infotainment systems and vehicle diagnostics.

Alternative Models

• LAN8720: A similar Ethernet controller with additional features like auto-negotiation and power-saving modes.
• ENC28J60: A popular Ethernet controller with a SPI interface, suitable for low-cost applications.
• DP83848: Another high-performance Ethernet controller with MII interface, offering enhanced diagnostic capabilities.

These alternative models provide similar functionality to the LAN9116-MT and can be considered as alternatives based on specific requirements.

In conclusion, the LAN9116-MT is