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时钟与DDS
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DS1343D-18+: FAQ
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DS1x
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DS1343D-18+: FAQ
DS1343D-18+: FAQ
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DS1343时钟断电时发生复位?
一般是电源有跌落或瞬间干扰脉冲,会导致时钟复位,必须避免这种情况,最好在靠近时钟芯片的Vcc引脚放置旁路电容。
使用DS1343过程中,发现时间信息会偶尔丢失,什么原因造成的?
VCC引脚出现下冲时,即使连接电池,也可能导致数据复位。关于下冲到多少才会出现复位,器件之间存在差异性,我们建议不要下冲到0.3V以下。其他引脚的电压也不要低于-0.3V,高于Vcc+0.3V。
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