数据采集卡是一种把外界模拟信号转换成数字信号,并把数字信号输入到计算机系统的一种AD接口卡。
Data acquisition card is the AD interface card, which converts the analogy signal to the digital signal, and transfers the digital signal to the computer.
硬件上详细给出了系统主要功能模块的工作原理和设计内容,包括模拟信号输入电路、数字信号输入输出电路、看门狗及系统复位电路等。
On the hardware design we provide the operation principle of the main function module and design content in detail, including Analog Inputting, Digital Inputting and Outputting, Watchdog, etc.
利用数字输入,控制器可以确定外部数字信号的状态。
The digital inputs allow the state of external digital signals to be determined by the controller.
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