8266的串口与STC单片机相连,但是TX0的电压比较高(2.2V),导致单片机不能完全掉电,看了寄存器,发现0x6000032C
的BIT2能够设置为开漏模式,但实际没有什么效果,请问该问题是否能解决?
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Espressif Systems is a fabless semiconductor company providing cutting-edge low power WiFi SoCs and wireless solutions for wireless communications and Internet of Things applications. We are the manufacturer of ESP8266EX.