ch340

时间:2024-03-12 11:13:27编辑:小迷

CH340G_VCC:模块供电点

VCC+5V:从USB取出来的5V电源

VCC+3V3:模块稳压出来的3V3电源(3.0V-3.6V)

(短路VCC+5V到CH340G_VCC:CH340G供电为5V,TTL电平为5V)

(短路VCC+3V3到CH340G_VCC:CH340G供电为3V3,TTL电平为3V3)

CH340G_TXD:串行数据输出

CH340G_RXD:串行数据输入

GND:模块接地(与目标系统地相连)

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