Product Overview
The ENC28J60-I/SO from Microchip Technology is a stand-alone 10BASE-T Ethernet controller with integrated MAC and PHY, 8KB dual-port buffer RAM, and SPI interface in SOIC-28 package. Compliant with IEEE 802.3, it provides a complete Ethernet network interface for any SPI-equipped microcontroller.
Key Specifications
| Speed | 10 Mbps (10BASE-T) |
| Interface | SPI (up to 20 MHz) |
| Buffer RAM | 8 Kbyte dual-port SRAM |
| Standard | IEEE 802.3 compliant |
| DMA | Internal DMA for fast copy |
| LED Outputs | 2 (link/activity) |
| Interrupt Pin | 1 |
| Supply Voltage | 3.14 V to 3.45 V |
| Package | SOIC-28 (7.50mm wide) |
| Operating Temperature | -40 to +85 C |
Features
- Integrated MAC and 10BASE-T PHY reduces external component count
- 8KB dual-port buffer with configurable TX/RX partitioning
- Hardware IP checksum calculation offloads host processor
- Programmable pattern matching up to 64 bytes for packet filtering
- Magic Packet wake-up support for remote power management
- Programmable automatic retransmit on collision
Applications
- Embedded Ethernet connectivity for SPI-equipped MCUs
- Industrial and building automation network nodes
- VoIP telephone interfaces
- Home control and security system networking
- Instrumentation remote data logging