usart 485de-标签分类-2025-12-10 12:50
必应
usart_senddata usart1,
usart_senddata usart1 byte,
usart_senddata usart1 data,
usart_rs485_driver_enable,
usart_typedef* usartx,
uart cts rts 485,
usart_typedef * usart1_base,
usart_deinit usart2,
usart_deinit usart1,
usart_receivedata usart2,
pin diagram of usart,
how does usart work