Custom USR-ES1 W5500 Ethernet network module hardware SPI to LAN/ Ethernet TCP / IP 51 / STM32 microcontroller program over W5100

USR-ES1 is embedded with Wiznet's W5500 chip, which uses hardware logic gates to implement the transport and network layers of the TCP/IP stack (e.g. TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE and other protocols), and integrates the data link layer, the physical layer, and 32K bytes of on-chip RAM as a data sending and receiving cache. The main control chip of the upper computer only needs to process the control information of the TCP/IP application layer. Thus, the workload of the host computer for data replication, protocol processing and interrupt processing is greatly saved, and the utilization and reliability of the system are improved.

In the operation process, the user can approximate the W5500 as a peripheral RAM of the MCU to use, very simple. The external interface of W5500 is a universal 80MHz high-speed SPI, which can be used to expand high-speed Ethernet solutions for different platforms. Automatic negotiation LED status display SPI interface has high speed and stability.

Size and pin compatible Wiznet official module WIZ820io

Note: This module is not a transparent transmission module from SPI to Ethernet, which requires the use of external single-chip computers, and requires users to understand the use of W5500 chips. Provides example code for STM32.

Product features:

80MHz high speed SPI interface
Built-in hardware TCPIP protocol stack, users almost do not need to master complex network protocol knowledge
Supports up to eight Socket connections
Support TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE protocol
Integrates the data link layer and physical layer
Support power-off wake up
Supports high-speed serial peripheral interface (SPI mode 0~3)
Internal 32K bytes send and receive cache
Embedded 10BaseT/100BaseTX Ethernet Physical Layer (PHY)
Automatic negotiation (10/100-Based full duplex/Half duplex)
IP fragmentation is not supported
3.3V working voltage, I/O signal port 5V withstand voltage
LED status display (full duplex/half duplex, network connection, network speed, activity status)
Ultra-small pin package for easy embedded applications
Provides C application routines
Product features:

Power supply :3.3V external power supply, the current should be greater than 200mA
Control interface form :3.3V TTL level, SPI interface; 2* single row pins
PCB size (MM):23 * 25 mm
Mechanical size (L * W * H):28.5 * 23 * 24 mm