Overview
The W5100 is a multifunctional monolithic network interface chip designed by WIZnet. It is a hardwired TCP/IP embedded Ethernet controller that simplifies internet connectivity for embedded systems. The W5100 integrates a 10/100 Ethernet controller, TCP/IP stack, MAC, and PHY, enabling stable and high-performance internet connectivity without the need for an operating system. This chip is particularly useful for users requiring reliable internet connectivity and can be easily integrated into various embedded systems using simple socket programming.
Key Specifications
| Specification | Description |
|---|---|
| Host Interface | Direct/Indirect Bus & Serial Peripheral Interface (SPI MODE 0, 3) |
| Number of Hardware Sockets | 4 Independent hardware sockets |
| Internal Memory | 16Kbytes for TCP/IP packet processing |
| Ethernet PHY | 10BaseT / 100Base TX Ethernet PHY Embedded |
| Auto-Negotiation | Full & Half Duplex, 10 & 100 Based |
| Auto-MDIX | Supported |
| Operation Voltage | 3.3V with 5V I/O signal tolerance |
| LED Outputs | TX, RX, Full/Half Duplex, Collision, Link, Speed |
| Package Type | 80LQFP lead-free package (10x10mm) |
Key Features
- Hardwired TCP/IP protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
- Un-attackable hardware network engine for preventing network attacks such as flooding, spoofing, injection
- Support for 4 independent hardware sockets simultaneously
- Internal 16Kbytes memory for TCP/IP packet processing
- 10BaseT / 100Base TX Ethernet PHY Embedded
- Support for Auto-Negotiation (Full & Half Duplex, 10 & 100 Based)
- Support for Auto-MDIX
- 3.3V operation with 5V I/O signal tolerance
- LED outputs for TX, RX, full/half duplex, collision, link, speed
Applications
- Home Network Devices: Set-Top Boxes, PVRs, Digital Media Adapters
- Serial-to-Ethernet: Access Controls, LED displays, Wireless AP relays, etc.
- Parallel-to-Ethernet: POS / Mini Printers, Copiers
- USB-to-Ethernet: Storage Devices, Network Printers
- GPIO-to-Ethernet: Home Network Sensors
- Security Systems: DVRs, Network Cameras, Kiosks
- Factory, Building, Home Automations
- Medical Monitoring Equipment
- Embedded Servers
- Internet of Things (IoT) Devices
- IoT Cloud Devices
Q & A
- What is the W5100 chip?
The W5100 is a hardwired TCP/IP embedded Ethernet controller designed by WIZnet, integrating a 10/100 Ethernet controller, TCP/IP stack, MAC, and PHY for stable internet connectivity in embedded systems.
- What interfaces does the W5100 support?
The W5100 supports Direct/Indirect Bus and Serial Peripheral Interface (SPI MODE 0, 3) for host interface.
- How many hardware sockets does the W5100 support?
The W5100 supports 4 independent hardware sockets simultaneously.
- What is the internal memory of the W5100?
The W5100 has 16Kbytes of internal memory for TCP/IP packet processing.
- Does the W5100 support Auto-Negotiation?
Yes, the W5100 supports Auto-Negotiation for Full & Half Duplex, 10 & 100 Based.
- What is the operation voltage of the W5100?
The W5100 operates at 3.3V with 5V I/O signal tolerance.
- What are the typical applications of the W5100?
The W5100 is used in various applications including home network devices, serial-to-Ethernet, parallel-to-Ethernet, security systems, and IoT devices.
- Does the W5100 support Wake on LAN (WOL)?
No, the W5100 does not support Wake on LAN (WOL), but its successor, the W5100S, does.
- How does the W5100 prevent network attacks?
The W5100 features an un-attackable hardware network engine to prevent network attacks such as flooding, spoofing, and injection.
- What is the package type of the W5100?
The W5100 comes in an 80LQFP lead-free package (10x10mm).
