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本文介绍了以PC机为上极位,以MCU—51为下机位,进行数据传输。主要是利用MAX232芯片实现TTL电平与RS232电平转换,实现单片机与PC机的通信。
This article describes the PC as the top position to MCU-51 for the next bit, for data transmission. MAX232 chip is mainly used to achieve TTL level and RS232 level conversion, SCM and PC to achieve communication.