Linear Technology’s DC/DC step-down μModule®regulators are complete switchmode power supplies in asurface-mount package. They include the DC/DC controller,inductor,
2013-10-22 20:36:01
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普通8051单片机上电复位时普通I/O口为弱上拉高电平输出,而很多实际应用要求上电时某些工/0口为低电平输出,否则所控制的系统(如马达)就会误动作,现STC12系列单片机由于既有弱上拉输出又有强推挽输出,就可以很轻松的解决此问题。
2013-10-27 09:52:01
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