- 推挽输出模式下,高低电平均有比较强的驱动能力
- 开漏输出模式下,高电平相当于高阻态,没有驱动能力,低电平有驱动能力
单片机的电路里,一般倾向使用低电平驱动接法
很多单片机或者芯片,都使用了高电平弱驱动、低电平强驱动的规则,避免高低电平打架
STM32入门教程-2023版 细致讲解 中文字幕
Home Page: https://www.bilibili.com/video/BV1th411z7sn
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