The W5500 chip is a Hardwired TCP/IP embedded Ethernet controller that enables easier internet connection for embedded systems using SPI (Serial Peripheral Interface).
The W5300 chip is a Hardwired TCP/IP embedded Ethernet controller that enables easier internet connection for embedded systems that required high network performance.
The W5200 chip is a Hardwired TCP/IP embedded Ethernet controller that enables easier Internet connection for embedded systems. Not recommended for new design. W5500 is recommended for new design.
The W3150A+ chip is a Hardwired TCP/IP embedded Ethernet controller that enables easier Internet connection for embedded systems.
Evaluation Board for W5100 All-in-one Ethernet Controller : Hardware TCP/IP, MAC & PHY Fully hardwired network protocol Direct & Indirect Bus and SPI for Host Interface Stable Data Communication
W5500-EVB-M3, W5500 Evaluation Board with STM32F103RCT6 + W5500 design, based on the ARM Cortex-M3 platform.