It gives comparison among some methods which are often adopted in the interfacing circuit, and introduces a chip MAX232 of level translation and its application method in detail.
对于硬件接口电路中常用的一些方法进行了简要的比较，并介绍了电平转换芯片MAX232及其应用方法。
It gives comparison among some methods which are often adopted in the interfacing circuit, and introduces a chip MAX232 of level translation and its application method in detail.
对于硬件接口电路中常用的一些方法进行了简要的比较，并介绍了电平转换芯片MAX232及其应用方法。
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