摘要: 一、硬件连接方案(RMII模式) graph LR A[STM32F407] -->|RMII接口| B[LAN8720A] A -->|GPIO| B subgraph STM32F407 ETH_MDC --> GPIOC1 ETH_MDIO --> GPIOA2 ETH_RMII_REF_CL 阅读全文
posted @ 2025-11-10 15:50 别说我的眼泪有点咸 阅读(0) 评论(0) 推荐(0)