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C500631_W5500 chip + HR911105A solution verification board

Overview

This solution is a solution verification board for the Ethernet chip W5500, which connects the IC to the RJ45 connector HR911105A for network communication. The W5500 SPI interface, network mode setting interface, reset and interrupt signals are introduced. When used, the solution verification board is connected to the external MCU interface to realize Ethernet and MCU communication. W5500 supports connected TCP/IP protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE. It has 4 status indication pins: full/half duplex, connection, speed, startup. Supports high-speed serial peripheral interface (SPI mode 0,3)

V1.1 version update content : Modify the design error of the network port transformer circuit in V1.0 (it is drawn as a current-type driver, but in fact it should be replaced by a voltage-type driver), resulting in the problem of normal communication. At the same time, the layout was rearranged to reduce the board area.

Design Files

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Update:2025-06-25 04:32:20

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