LAN9217-MT

Product Overview

Category: Integrated Circuit (IC)

Use: LAN9217-MT is a high-performance Ethernet controller designed for embedded applications. It provides a reliable and efficient solution for integrating Ethernet connectivity into various devices.

Characteristics: - High-speed Ethernet connectivity - Low power consumption - Small form factor - Robust performance - Easy integration

Package: LAN9217-MT comes in a compact surface mount package, making it suitable for space-constrained designs.

Essence: The LAN9217-MT is an essential component for enabling Ethernet communication in embedded systems. It offers a reliable and efficient solution for connecting devices to local area networks (LANs).

Packaging/Quantity: The LAN9217-MT is typically packaged in reels or trays, with quantities varying based on customer requirements.

Specifications

• Ethernet Standards: IEEE 802.3, 10BASE-T, 100BASE-TX
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 3.3V
• Data Rate: 10/100 Mbps
• Temperature Range: -40°C to +85°C
• Package Type: QFN (Quad Flat No-Lead)
• Dimensions: 6mm x 6mm

Detailed Pin Configuration

The LAN9217-MT features a QFN package with the following pin configuration:

1. VDDIO: Power supply for I/O pins
2. VDD: Power supply for internal circuitry
3. GND: Ground
4. MISO: Master In Slave Out (SPI interface)
5. MOSI: Master Out Slave In (SPI interface)
6. SCLK: Serial Clock (SPI interface)
7. CS: Chip Select (SPI interface)
8. INT: Interrupt output
9. RESET: Reset input
10. REFCLK: Reference clock input
11. TXD0: Transmit Data 0
12. TXD1: Transmit Data 1
13. RXD0: Receive Data 0
14. RXD1: Receive Data 1

Functional Features

• Integrated Ethernet MAC (Media Access Control) and PHY (Physical Layer)
• Supports full-duplex and half-duplex communication modes
• Auto-negotiation for optimal speed and duplex settings
• Built-in DMA (Direct Memory Access) engine for efficient data transfer
• Supports various network protocols, including TCP/IP, UDP, and ICMP
• Provides hardware-assisted checksum offloading for improved performance

Advantages and Disadvantages

Advantages: - High-performance Ethernet connectivity - Low power consumption - Compact form factor - Easy integration into embedded systems - Reliable and robust performance

Disadvantages: - Limited to 10/100 Mbps data rate - Requires an external microcontroller or processor for complete system functionality

Working Principles

The LAN9217-MT operates by receiving and transmitting Ethernet frames through its integrated MAC and PHY. It communicates with the host microcontroller or processor via the SPI interface. The LAN9217-MT handles tasks such as frame encapsulation, error detection, and flow control, ensuring reliable data transmission over the Ethernet network.

Detailed Application Field Plans

The LAN9217-MT is widely used in various embedded applications that require Ethernet connectivity. Some of the common application fields include:

1. Industrial Automation: LAN9217-MT enables Ethernet connectivity in industrial automation systems, allowing seamless communication between different devices and control systems.
2. Internet of Things (IoT): The LAN9217-MT facilitates IoT devices' connection to the internet, enabling data exchange and remote control capabilities.
3. Home Automation: LAN9217-MT can be utilized in home automation systems to connect smart devices, enabling centralized control and monitoring.
4. Automotive: LAN9217-MT is employed in automotive applications for Ethernet-based communication between various vehicle subsystems.

Detailed and Complete Alternative Models

1. LAN8720: Similar to LAN9217-MT, the LAN8720 is a compact Ethernet controller with integrated MAC and PHY. It offers similar features and performance but operates at a lower data rate of 10/100 Mbps.
2. DP83848: The DP83848 is another alternative Ethernet controller that provides reliable connectivity for embedded systems. It supports 10/100 Mbps data rate and offers a range of advanced features.

These alternative models can be considered based on specific project requirements and desired performance characteristics.

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