UART
Asynchronous_Serial.jpg
  • UART控制器:可以工作在Interrupt(中斷)模式或者DMA(直接內存訪問)模式。據有16字節的FIFO(先入先出寄存器),支持最高波特率可達到230.4Kbps。
  • struct uart_driver
  • struct uart_port
  • struct uart_ops
  • driver
  • //path to kernel souce/drivers/serial/serial_core.c
    • uart_register_driver
    • uart_add_one_port
  • Vendor
  • PL-2303X
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