HD7279 USES serial interface mode, and manages the keyboard and LED display.
HD 7279采用串行接口方式，同时管理了键盘和LED显示器。
RS232 interface which is a standard serial interface mode has been widely used in computer communication.
RS232接口在计算机通讯中应用非常广泛，成为一种标准的串口通讯方式。
When in Serial interface mode the AD7656 has a Daisy Chain feature allowing multiple ADCs to connect to a single serial interface.
在串行接口模式下，AD7656允许多个ADC以菊花链形式连接至单个串行接口。
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