ENC28J60/SP

Product Overview

• Category: Integrated Circuit (IC)
• Use: Ethernet Controller
• Characteristics: Low-power, small form factor, SPI interface
• Package: 28-pin SOP (Small Outline Package)
• Essence: Enables Ethernet connectivity for microcontrollers and other embedded systems
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Operating Voltage: 3.3V
• Interface: Serial Peripheral Interface (SPI)
• Data Rate: 10 Mbps
• RAM Size: 8 KB
• MAC Address: 6-byte unique identifier
• Supported Protocols: TCP/IP, UDP, ICMP, ARP, HTTP, FTP, DHCP

Pin Configuration

The ENC28J60/SP has a total of 28 pins, which are assigned as follows:

1. VDD - Power Supply
2. VSS - Ground
3. INT - Interrupt Output
4. WOL - Wake-on-LAN
5. SO - Serial Data Output
6. SI - Serial Data Input
7. SCK - Serial Clock Input
8. CS - Chip Select
9. RESET - Reset Input
10. AN0 to AN3 - Analog Inputs
11. AN4 to AN7 - Analog Inputs
12. AN8 to AN11 - Analog Inputs
13. AN12 to AN15 - Analog Inputs
14. NC - No Connection
15. NC - No Connection
16. NC - No Connection
17. NC - No Connection
18. NC - No Connection
19. NC - No Connection
20. NC - No Connection
21. NC - No Connection
22. NC - No Connection
23. NC - No Connection
24. NC - No Connection
25. NC - No Connection
26. NC - No Connection
27. NC - No Connection
28. NC - No Connection

Functional Features

• Full-duplex Ethernet communication
• Integrated MAC (Media Access Control) and PHY (Physical Layer)
• Supports 10BASE-T and 100BASE-TX Ethernet standards
• Automatic retransmission on collision detection
• Programmable wake-up on LAN activity
• Built-in DMA (Direct Memory Access) controller for efficient data transfer

Advantages and Disadvantages

Advantages: - Low power consumption - Small form factor - Easy integration with microcontrollers - Cost-effective solution for adding Ethernet connectivity

Disadvantages: - Limited data rate of 10 Mbps - Lack of built-in support for higher-level protocols like IPv6 - Requires external components for complete Ethernet functionality

Working Principles

The ENC28J60/SP is an Ethernet controller IC that enables microcontrollers and embedded systems to connect to Ethernet networks. It operates using the SPI interface, allowing easy integration with various microcontroller platforms. The IC handles the low-level Ethernet protocols, including packet transmission and reception, collision detection, and automatic retransmission.

To establish a connection, the ENC28J60/SP communicates with the microcontroller through the SPI bus, exchanging control and data information. It supports both half-duplex and full-duplex communication modes, enabling simultaneous transmission and reception of Ethernet frames.

Detailed Application Field Plans

The ENC28J60/SP finds applications in various fields where Ethernet connectivity is required for microcontroller-based systems. Some common application areas include:

1. Internet of Things (IoT) devices
2. Home automation systems
3. Industrial automation and control
4. Remote monitoring and data logging
5. Networked sensors and actuators
6. Embedded web servers
7. Robotics and automation

Detailed and Complete Alternative Models

1. W5500: An alternative Ethernet controller IC with built-in TCP/IP stack and higher data rate support.
2. LAN8720: Another Ethernet PHY IC that can be used in conjunction with microcontrollers for Ethernet connectivity.
3. ENC424J600: A more advanced version of the ENC28J60/SP with enhanced features and higher data rate support.

These alternative models offer different capabilities and may be suitable for specific project requirements or performance needs.

In conclusion, the ENC28J60/SP is a versatile Ethernet controller IC that provides an affordable solution for adding Ethernet connectivity to microcontroller-based systems. Its low-power consumption, small form factor, and SPI interface make it a popular choice in various applications. However, its limited data rate and lack of built-in support for higher-level protocols should be considered when selecting this IC for a project.