数字电位器AD5242头文件，可供电路开发时调用(Digital potentiometer AD5242 header file for circuit development calls)

这是一份数字电位器X9C104的文档，该芯片由intersil公司出品，3线串行接口，99个电阻单元，5V电源供电。(This is a digital potentiometer X9C104 document, the chip produced by INTERSIL company, 3-wire serial interface, 99 resistor units, 5V power supply.)