Microchip Technology
Зображення може бути репрезентативним.
Деталі продукту див. у специфікаціях.
ENC28J60/ML
Переглянути деталі Таблиці даних

ENC28J60/ML

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Ethernet Controller
  • Characteristics:
    • Low-power, stand-alone Ethernet controller
    • Supports 10BASE-T and 100BASE-TX Ethernet protocols
    • Compatible with IEEE 802.3 standard
    • Utilizes SPI interface for communication
  • Package: Small Outline Integrated Circuit (SOIC)
  • Essence: Enables microcontrollers to connect to an Ethernet network
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Operating Voltage: 3.3V
  • Operating Temperature: -40°C to +85°C
  • Data Rate: 10 Mbps or 100 Mbps
  • Interface: Serial Peripheral Interface (SPI)
  • RAM Size: 8 KB
  • EEPROM Size: 1 KB
  • Supported Protocols: TCP/IP, UDP, ICMP, ARP, IGMP, and IPv4
  • Dimensions: 7.5mm x 9.5mm

Detailed Pin Configuration

The ENC28J60/ML has a total of 28 pins. The pin configuration is as follows:

  1. VDD - Power Supply
  2. VSS - Ground
  3. VCAP - Decoupling Capacitor Connection
  4. INT - Interrupt Output
  5. WOL - Wake-on-LAN Input
  6. SO - Serial Data Output
  7. SI - Serial Data Input
  8. SCK - Serial Clock Input
  9. CS - Chip Select Input
  10. RESET - Reset Input
  11. AN0-AN3 - Analog Inputs
  12. AN4 - Analog Input / Digital I/O
  13. AN5 - Analog Input / Digital I/O
  14. AN6 - Analog Input / Digital I/O
  15. AN7 - Analog Input / Digital I/O
  16. AN8 - Analog Input / Digital I/O
  17. AN9 - Analog Input / Digital I/O
  18. AN10 - Analog Input / Digital I/O
  19. AN11 - Analog Input / Digital I/O
  20. AN12 - Analog Input / Digital I/O
  21. AN13 - Analog Input / Digital I/O
  22. AN14 - Analog Input / Digital I/O
  23. AN15 - Analog Input / Digital I/O
  24. VREF - Reference Voltage Output
  25. CLKOUT - Clock Output
  26. NC - No Connection
  27. NC - No Connection
  28. NC - No Connection

Functional Features

  • Full-duplex or half-duplex operation
  • Integrated MAC (Media Access Control) and PHY (Physical Layer)
  • Supports Auto-Negotiation for automatic speed and duplex mode selection
  • Built-in 8 KB buffer memory for packet storage
  • Supports various network protocols for seamless communication
  • Low-power consumption for energy-efficient applications
  • Flexible and easy-to-use SPI interface for microcontroller integration

Advantages and Disadvantages

Advantages: - Compact size allows for space-saving designs - Low power consumption extends battery life in portable devices - Wide operating temperature range enables usage in harsh environments - Supports multiple network protocols for versatile applications - Cost-effective solution for Ethernet connectivity

Disadvantages: - Limited RAM and EEPROM sizes may restrict certain applications - Requires external components for complete Ethernet functionality - Relatively complex configuration compared to plug-and-play solutions

Working Principles

The ENC28J60/ML acts as a bridge between a microcontroller and an Ethernet network. It receives data from the microcontroller through the SPI interface and encapsulates it into Ethernet packets. These packets are then transmitted over the network using the integrated MAC and PHY. Similarly, incoming Ethernet packets are received by the ENC28J60/ML, decoded, and forwarded to the microcontroller for further processing.

Detailed Application Field Plans

The ENC28J60/ML finds applications in various fields, including:

  1. Internet of Things (IoT) devices
  2. Home automation systems
  3. Industrial automation and control
  4. Embedded systems with network connectivity
  5. Remote monitoring and data logging
  6. Robotics and automation
  7. Smart energy management systems
  8. Security and surveillance systems

Alternative Models

  • W5500: Another Ethernet controller with enhanced features and larger buffer memory.
  • LAN8720: Ethernet transceiver with reduced power consumption and improved performance.
  • DP83848: Integrated Ethernet PHY with advanced diagnostics and protection features.
  • KSZ8081: Single-port Ethernet physical layer transceiver with low-power operation.

These alternative models offer similar functionality and can be considered as alternatives to the ENC28J60/ML based on specific requirements and design constraints.

Word count: 570 words

Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням ENC28J60/ML у технічних рішеннях

  1. What is the ENC28J60/ML?

    • The ENC28J60/ML is a popular Ethernet controller chip commonly used in embedded systems for networking applications.

  2. How does the ENC28J60/ML interface with microcontrollers?

    • The ENC28J60/ML interfaces with microcontrollers using SPI (Serial Peripheral Interface) communication protocol.

  3. What are the typical operating voltages for the ENC28J60/ML?

    • The ENC28J60/ML typically operates at 3.3V, but it can also support 5V with proper level shifting.

  4. Can the ENC28J60/ML be used for IoT applications?

    • Yes, the ENC28J60/ML is commonly used in IoT devices for connecting to local area networks.

  5. What are the key features of the ENC28J60/ML?

    • The ENC28J60/ML features include integrated MAC and PHY, support for full and half duplex modes, and low power consumption.

  6. Is there open-source software available for interfacing with the ENC28J60/ML?

    • Yes, there are several open-source libraries and drivers available for interfacing with the ENC28J60/ML, making it widely supported in the maker community.

  7. What are some common pitfalls when using the ENC28J60/ML in technical solutions?

    • Common pitfalls include improper PCB layout affecting signal integrity, inadequate power supply decoupling, and incorrect configuration of the chip registers.

  8. Can the ENC28J60/ML handle high-speed data transfer?

    • While the ENC28J60/ML is capable of handling Ethernet speeds, it may not be suitable for high-speed data transfer applications due to its limited buffer size.

  9. Are there any alternatives to the ENC28J60/ML for Ethernet connectivity in embedded systems?

    • Yes, alternatives include more modern Ethernet controller chips such as the Wiznet W5500 or Microchip's ENC624J600.

  10. What are some typical applications for the ENC28J60/ML in technical solutions?

    • Typical applications include home automation systems, industrial control, networked sensors, and small-scale web servers.