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eeworld.com.cn
19 天
STM32 GPIO的原理、特性、选型和配置
2、开关:开关为TTL肖特基触发器,将模拟信号转化为0和1的数字信号,但当GPIO作为ADC采集电压通道时,此时信号不再经过触发器进行TTL电平转换。 3、P-MOS、N-MOS:单元电路使得GPIO具有“推挽输出”和“开漏输出”的功能。 2、4种输入模式 STM32具有浮空输入、上 ...
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