| 序号 | 型号 | 描述 | 大小 | 厂家Logo | 下载 |
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| 1 | SC16C550IA44 | Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder | 654K |
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| 2 | SC16C550IA44 | Universal Asynchronous Receiver/Transmitter (UART) with 16-byte FIFO and infrared (IrDA) encoder/decoder | 654K |
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