ENC28J60T/SS

Product Overview

• Category: Integrated Circuit
• Use: Ethernet Controller
• Characteristics: Low-power, Stand-alone, SPI Interface
• Package: SSOP (Shrink Small Outline Package)
• Essence: Provides Ethernet connectivity to microcontrollers
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Operating Voltage: 3.3V
• Interface: Serial Peripheral Interface (SPI)
• Data Rate: 10 Mbps
• MAC Buffer Size: 8 KB
• RAM Size: 1 KB
• Supported Protocols: TCP/IP, UDP, ICMP, ARP, IGMP
• Temperature Range: -40°C to +85°C

Pin Configuration

The ENC28J60T/SS has a total of 28 pins. The pin configuration is as follows:

1. VDDIO: Power Supply for I/O Pins
2. VSS: Ground
3. VDD: Power Supply
4. /WOL: Wake-on-LAN Output
5. INT: Interrupt Output
6. /CS: Chip Select Input
7. SCK: Serial Clock Input
8. SI: Serial Data Input
9. SO: Serial Data Output
10. /RST: Reset Input
11. VCAP: Decoupling Capacitor Connection
12. NC: No Connection
13. NC: No Connection
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

• Integrated Ethernet MAC and PHY
• Supports Full and Half-Duplex modes
• Automatic retransmission on collision
• Programmable Wake-on-LAN functionality
• 8 KB Transmit/Receive Packet Dual Port SRAM
• Built-in DMA for high-performance data transfers
• Low-power consumption in Sleep mode

Advantages and Disadvantages

Advantages

• Small form factor and low power consumption make it suitable for embedded systems
• Provides a cost-effective solution for adding Ethernet connectivity to microcontrollers
• Supports various protocols for seamless communication over the network
• Built-in DMA enhances data transfer performance

Disadvantages

• Limited buffer size may restrict the amount of data that can be transmitted/received at once
• Requires additional components (such as magnetics) for complete Ethernet connectivity

Working Principles

The ENC28J60T/SS is an Ethernet controller that enables microcontrollers to connect to an Ethernet network. It operates using the Serial Peripheral Interface (SPI) protocol, allowing easy integration with various microcontroller platforms. The controller handles the transmission and reception of Ethernet frames, implementing protocols such as TCP/IP, UDP, ICMP, ARP, and IGMP.

When a microcontroller wants to send data over the network, it writes the data into the transmit buffer of the ENC28J60T/SS. The controller then takes care of encapsulating the data into Ethernet frames and transmitting them over the network. On the receiving side, the controller receives incoming Ethernet frames, extracts the data, and stores it in the receive buffer for the microcontroller to retrieve.

Detailed Application Field Plans

The ENC28J60T/SS 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 requirements
5. Sensor networks
6. Robotics and automation

Detailed and Complete Alternative Models

1. W5500: Ethernet controller with integrated TCP/IP stack
2. LAN8720: Ethernet transceiver with RMII interface
3. DP83848: Single-port 10/100 Mb/s Ethernet PHY
4. ENC424J600: Ethernet controller with larger buffer size and enhanced features

These alternative models provide similar functionality to the ENC28J60T/SS and can be considered based on specific project requirements.

In conclusion, the ENC28J60T/SS is a low-power Ethernet controller designed for microcontroller-based systems. It offers a cost-effective solution for adding Ethernet connectivity to various applications. With its small form factor and SPI interface, it enables seamless integration with microcontrollers. While it has some limitations, such as a limited buffer size, it provides essential features for reliable network communication.