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afc
詞語
全稱為：Alienware Fans Club，中文名稱為ALIENWARE官方粉絲站，是全球最大且國內唯一由戴爾Dell認證並支持的ALIENWARE社區，涵蓋了ALIENWARE13 ALIENWARE14 ALIENWARE15 ALIENWARE17 ALIENWARE18筆記本、台式機Area51和遊戲主機Alpha的評測、價格、主題、壁紙、驅動、視頻、二手等內容。是外星人粉絲的首選社區平台。-Alienware Fans Club!
目錄
The S3C2440A's UART 0 and UART 1 support auto flow control with nRTS and nCTS signals. In case, it can be
connected to external UARTs. If users want to connect a UART to a Modem, disable auto flow control bit in
UMCONn register and control the signal of nRTS by software.
In AFC, nRTS depends on the condition of the receiver and nCTS signals control the operation of the transmitter.
The UART's transmitter transfers the data in FIFO only when nCTS signals are activated (in AFC, nCTS means
that other UART's FIFO is ready to receive data). Before the UART receives data, nRTS has to be activated when
its receive FIFO has a spare more than 32-byte and has to be inactivated when its receive FIFO has a spare under
32-byte (in AFC, nRTS means that its own receive FIFO is ready to receive data).
