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UARTcode
- s3c2440通用异步触发器提供3个独立的异步串行I/O,在CPU和UART之间传输数据时UART可以产生中断或DMA请求-s3c2440 universal asynchronous trigger provides three independent asynchronous serial I/O, UART can generate an interrupt or DMA request to transfer data between the CPU and the UART