ENC28J60/SS

Product Overview

• Category: Integrated Circuit (IC)
• Use: Ethernet Controller
• Characteristics:
  • Small Size
  • Low Power Consumption
  • High Performance
• Package: SSOP (Shrink Small Outline Package)
• Essence: Enables Ethernet connectivity in embedded systems
• Packaging/Quantity: Typically sold in reels of 250 or 3000 units

Specifications

• Supply Voltage: 3.3V
• Data Rate: 10 Mbps
• Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to +85°C
• Dimensions: 5mm x 7mm

Detailed Pin Configuration

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

1. VDD - Power supply voltage
2. VSS - Ground
3. INT - Interrupt output
4. WOL - Wake-on-LAN output
5. CS - Chip select for SPI interface
6. SI - Serial data input for SPI interface
7. SCK - Serial clock input for SPI interface
8. SO - Serial data output for SPI interface
9. RESET - Reset input
10. AN0-AN7 - Analog inputs
11. RSTOUT - Reset output
12. CLKOUT - Clock output
13. P0-P7 - Port pins
14. P8-P15 - Port pins
15. P16-P23 - Port pins
16. P24-P27 - Port pins

Functional Features

• Full-duplex IEEE 802.3 compliant Ethernet controller
• Integrated MAC (Media Access Control) and PHY (Physical Layer) functions
• Supports 10BASE-T and 100BASE-TX Ethernet protocols
• Built-in DMA (Direct Memory Access) controller for efficient data transfer
• Flexible and programmable receive filters
• 8KB transmit/receive packet dual-port SRAM for buffering

Advantages and Disadvantages

Advantages

• Compact size makes it suitable for space-constrained applications
• Low power consumption extends battery life in portable devices
• High performance ensures reliable and fast Ethernet connectivity
• Cost-effective solution for adding Ethernet capability to embedded systems

Disadvantages

• Limited data rate of 10 Mbps may not be sufficient for certain high-bandwidth applications
• Lack of built-in support for higher-level protocols such as TCP/IP or UDP/IP, requiring additional software implementation

Working Principles

The ENC28J60/SS operates by interfacing with a microcontroller or other host device through the SPI interface. It communicates with the host using a set of control and status registers, allowing the host to configure and control various aspects of the Ethernet communication.

The integrated MAC and PHY functions handle the Ethernet protocol, including frame transmission and reception, collision detection, and auto-negotiation of link speed. The built-in DMA controller facilitates efficient transfer of data between the host and the Ethernet network.

Detailed Application Field Plans

The ENC28J60/SS is widely used in various embedded systems that require Ethernet connectivity. Some common application fields include:

1. Internet of Things (IoT) devices: Enables IoT devices to connect to local networks or the internet for data exchange.
2. Home automation systems: Facilitates communication between smart home devices and central control units.
3. Industrial automation: Allows industrial equipment to be connected to Ethernet networks for remote monitoring and control.
4. Security systems: Integrates IP cameras, access control systems, and alarm systems into networked security solutions.
5. Automotive electronics: Provides Ethernet connectivity for in-vehicle infotainment systems, telematics, and diagnostics.

Detailed and Complete Alternative Models

1. W5500: Ethernet controller with integrated TCP/IP stack and 8KB buffer memory.
2. LAN8720: Low-power Ethernet PHY transceiver with MII/RMII interface.
3. DP83848: IEEE 802.3u-compliant Ethernet PHY transceiver with reduced power consumption.

These alternative models offer similar functionality to the ENC28J60/SS but may have different features, package types, or performance characteristics.

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